Theory - Economic Methodology Flashcards
What is logical positivism?
Logical positivism is a philosophical movement from the early 20th century that aimed to define and separate scientific knowledge from non-scientific or pseudo-scientific ideas.
Where did logical positivism originate?
Logical positivism originated in Berlin and Vienna in the 1920s and continued into the 1950s in the United States.
Positivism can also be called
empiricism
What was the main aim of the logical positivist program?
It was to demarcate scientific knowledge, and to mainly distinguish science from pseudo-science
What is the demarcation criterion rule?
It means that you can only accept analytic and synthetic a posteriori propositions or statements as scientific knowledge
What characterizes analytic propositions?
Analytic propositions are tautological, meaning they are true by definition.
Provide an example of an analytic proposition.
An example of an analytic proposition is “All bachelors are unmarried males.” since this is just the definition of a bachelor
Are all valid mathematical and logical propositions considered analytic?
Yes, valid mathematical and logical propositions, such as “1 + 1 = 2” and “A → A,” are considered analytic.
Can you provide examples of synthetic a posteriori propositions?
Examples of synthetic a posteriori propositions include statements like “My neighbors’ dog is aggressive” and “The color of the coffee I am drinking is light brown.”
What is the basis for the truth of synthetic a posteriori propositions?
The truth of synthetic a posteriori propositions is grounded in our experience of the real world.
In what circumstances are synthetic propositions considered true?
Synthetic propositions are considered true when supported by evidence obtained through empirical research.
What role does empirical research play in determining the truth of synthetic a posteriori propositions?
Empirical research serves as the method to demonstrate the truth of synthetic a posteriori propositions, establishing their validity based on real-world experience.
How do we define the term “analytic proposition”?
Analytic propositions are defined as statements that are true by virtue of their meaning or definition.
Could you offer another example of a valid mathematical proposition that is considered analytic?
Certainly, “2 + 2 = 4” is an example of a valid mathematical proposition that falls under the category of analytic.
How does logical positivism view statements that are not analytically true?
Statements that are not analytically true, referred to as synthetic propositions, are subject to empirical verification according to the logical positivist perspective.
Could you provide additional examples of synthetic propositions in everyday language?
Certainly, examples include statements like “The temperature outside is 30 degrees Celsius” or “Water boils at 100 degrees Celsius at sea level.”
What distinguishes the truth criteria of analytic and synthetic propositions in logical positivism?
Analytic propositions are true by definition, while the truth of synthetic propositions is determined by empirical verification based on real-world observations.
How did logical positivists respond to these scientific developments?
In response to these developments, logical positivists denied the existence of synthetic a priori propositions in science and advocated for empirical investigation of all propositions not true by definition.
Describe in 4 steps Karl Popper’s procedure:
- Posit a sweeping theory
- Specify what observations would prove you wrong (potential falsifiers)
- test critically trying to find falsifiers
- theory is true as long as step 3 fails
What does it mean if scientific knowledge is fallible?
This means that it is considered true and scientific until proven otherwise
What is the Falsification Principle proposed by Karl Popper?
The Falsification Principle, proposed by Karl Popper, is a method for distinguishing science from non-science. It asserts that for a theory to be considered scientific, it must be testable and potentially falsifiable.
: How does the Falsification Principle apply to scientific theories?
The Falsification Principle suggests that scientific theories should be formulated in a way that allows for empirical testing, and they must be vulnerable to being proven false. Popper argues that a genuine scientific theory is one that can be subjected to experiments or observations that, if outcomes are different from predictions, could potentially falsify the theory.
How does Karl Popper’s philosophy differ from that of the Logical Positivists?
Karl Popper’s philosophy differs from Logical Positivism in the way they approach the demarcation of science. While Logical Positivists, such as members of the Vienna Circle, emphasized verification as a criterion for meaningful statements, Popper proposed falsifiability. Popper argued that scientific theories should be formulated in a way that allows for the possibility of being proven false through empirical testing.
According to Popper a theory must AT MINIMUM be:
logically consistent
What is the Humean problem of induction and why was it a challenge for scientific inquiry?
The Humean problem of induction, based on David Hume’s skepticism, questioned the logical justification for making predictions about the future based on past observations, challenging the reliability of induction as a method for establishing scientific knowledge.
How did Popper’s approach provide a more robust framework for scientific inquiry compared to traditional methods?
Popper’s emphasis on falsifiability offered a more critical and rigorous framework for scientific inquiry by encouraging the testing of theories through deductive reasoning,
Define a Synthetic a posteriori statement
Not tautological or true by definition, but verifiable and true when confirmed by observation. For example ; The colour of my coffee is brown
Characteristics of a synthetic a posteriori statement:
- Not inherently true or self-evident
- Requires empirical verification
- Confirmed through observation
- Example: Scientific hypotheses and predictions
Synthetic a priori statement
Not tautological or true by definition, and not verifiable.
Synthetic a Priori statements were introduced by :
Immanuel Kant
Axiomatization -
characterization of scientific theory in first-order formal language (A(.)∀B(.), B∨D…)
Define demarcation:
distinguishing science from non-science
How many components are there in the Explanans according to the DN Model?
There are two components in the Explanans: Lawlike Proposition (1) and Conditions (2).
What does the DN Model suggest about the predictability of a phenomenon?
The DN Model suggests that if you have both the Lawlike Proposition and the Conditions, you should be able to predict the phenomenon (3).
Provide an example illustrating the DN Model using the terms Lawlike Proposition, Conditions, and Explanandum.
Potato harvests are falling (Lawlike Proposition). Supply is decreasing (Conditions). Therefore, the price of potatoes increases (Explanandum).
According to Popper knowledge is scientific if it is _________ and can be __________ by observation
logically consistent; disproven
How does Popper define scientific knowledge in terms of potential falsifiers?
Popper defines scientific knowledge as having potential falsifiers, meaning it must be logically consistent and have the possibility of being disproven by observation.
Using the example of the Earth revolving around the Sun, how does Popper illustrate the concept of falsifiability?
Popper illustrates falsifiability by explaining that the Earth’s rotation around the Sun can be proven or disproven by observation, demonstrating the criteria for scientific knowledge.
How does the concept of falsifiability apply to the assertion about the relationship between money in circulation and average prices?
The concept of falsifiability is demonstrated as the assertion can be tested by observing whether an increase in the money supply corresponds to a rise in average prices, or if there is a discrepancy, thereby disproving the claim.
Why are claims that use words like subconscious regarded as non-scientific?
This is because terms like “subconscious” are unobservable and undefined as unconscious, making it impossible to prove or disprove through observation.
What is the crucial difference between a Popperian approach and a logical positivist perspective regarding blanket statements?
In a Popperian approach, any blanket statement is considered scientific, such as declaring that dragons do not exist. This is because it can be formulated as a general law and potentially disproven. In contrast, logical positivists may find such statements unscientific, as they argue that proving the non-existence of something is challenging.
Why is the conclusion that dragons do not exist considered scientific from a Popperian perspective?
In a Popperian perspective, the conclusion that dragons do not exist is considered scientific because it is formulated as a general law that can be potentially disproven. It meets the criteria of being testable and falsifiable.
For Popper not all theories are created equal. To be considered scientific , theories have to fulfill two minimum requirements. What are they?
- They have to be logically consistent
and - They have to be falsifiable
What is the significance of empirical content in relation to the domain of a theory?
The empirical content of a theory increases as its domain becomes larger. A larger domain makes the theory applicable to more instances, making it both easier to falsify and more illuminating. This is because a broader domain allows for more potential falsifiers, and the theory becomes more informative about the phenomena it addresses.
How does the precision of a theory affect its falsifiability, according to Popper?
Popper suggests that as the precision of a theory increases, it becomes easier to falsify. A theory that specifies precise details or numerical predictions is more vulnerable to falsification, as any deviation from these exact predictions can falsify the theory.
Provide an example from classical economics to illustrate the concept of falsifiability in theories.
In classical economics, the example of Adam Smith’s idea of a natural level is used. If a theory merely states that the interest rate falls, rises, or stays equal, it is not falsifiable because one of these outcomes is always true. However, if the theory becomes more precise, such as predicting a continuous fall until reaching a natural level, it becomes more informative but also easier to falsify.
What is the difference between a less illuminating scientific theory and a more informative one, according to Popper?
Popper distinguishes between less illuminating and more informative scientific theories based on the level of precision and the domain of the theory. A less illuminating theory may be scientific but lacks precision, while a more informative theory is both precise and has an increased domain, making it more applicable and potentially easier to falsify.
The higher the empirical content, the higher the class of ________
potential falsifiers
What exactly is the degree of corroboration?
how often have scientists tried to disprove a theory and have failed
The explanas is made up of the _____ and the _____
lawlike proposition and conditions
Describe the 3 ways in which empirical content can be increased:
- You can increase its domain
- You can make the predictions more precise
- You can add potential consequences to the theory
The demarcation criteria primarily focuses on the ________ sciences
natural
______ laws are harder to find and less universal than laws in the physical sciences
Social
Social laws are _____ and _______ specifc
socially; historically
What belief of Hegel and Marx’s did Popper entirely disagree with (with regard to historicism)
They claimed that history would unfold in a deterministic way and Popper viewed social laws as being historically specifc
What did Popper support in societal governance?
Popper supported an open society with laws for an ideal society but stressed openness to being wrong and constant public debate.
How does Popper see social scientists?
: Social scientists are different from natural scientists. They know there’s no one truth, but they should always admit when they might be wrong.
The main theme in Poppa’s thought, whether about social science or natural sciences, is the constant embrace of ______
uncertainty
There’s a constant __________ process engaged in the social sciences. Social sciences should run on a different level because they cannot hope to find a __________ truth.
trial and error; universal
Popper argued that social laws are harder to find and less ________ than laws in the physical natural sciences.
universal
According to Popper, if there were a foolproof way to outsmart the stock market, widespread adoption of this strategy would lead to the market’s collapse due to______ ____
mass adoption
Popper opposed what he saw as Hegel’s and Marx’s flaws in their _________. He argued that social laws are socially and historically specific and can be _______ if desired.
historicism; avoided
Popper opposed deterministic views, asserting that Marx and Hegel did not recognize the _____ and _______specificity of social laws, advocating for openness to critical voices and criticism.
social ; historical
The first method to handle a falsifying instance is to ______________ by reclassifying observations that contradict it.
The second method is to__________ by adjusting underlying theories when faced with falsifying instances.
Popper opposes finding excuses, deeming it forbidden and a sign of being a bad scientist.
The third method is to _____________, altering where the theory is applied, potentially lowering its empirical content.
In contrast to Friedman, Popper insists that when a falsifying instance is identified, the entire theory should be rejected and replaced.
defend the theory ;
react defensively;
change its domain
What is the first method discussed by Popper for handling falsifying instances?
The first method is to defend the theory by reclassifying observations that contradict it.
In contrast to Friedman, what does Popper insist should happen when a falsifying instance is identified?
In contrast to Friedman, Popper insists that when a falsifying instance is identified, the entire theory should be rejected and replaced.
What does Popper’s perspective involve when handling falsifying instances?
Popper’s perspective involves scientific revolutions, creating new theories that incorporate both previous insights and new facts.
What is recalibration, and how can it improve a theory?
Recalibration involves adjusting measurement instruments or operationalizations; it can lead to an improvement in the theory.
: How does reclassification contribute to theory improvem
Reclassification can enhance a theory, as seen when whales were reclassified as marine mammals instead of fish.
According to Kuhn, in order to become a member of the scientific community, individuals need to be interested in questions within the specific ________ of their field, such as how markets function for economists.
domain
The research domain, research methods, and criteria for good science are something that members of the scientific community need to ________ upon.
agree
Scientists are judged by their fellow scientists based on certain criteria for good science, including demarcation criteria, which are used to assess the ________ of the research.
quality
Kuhn describes the societal structure of science in terms of a ________ matrix, which consists of four elements, with the first being a ________.
disciplinary; paradigm
A paradigm is a leading example that researchers try to ________ in their work. In economics, the Marshallian cross is an example of a paradigm for charting markets.
emulate
What is a paradigm?
A paradigm represents a set of assumptions and practices that define a field of study or intellectual inquiry at a certain point in history.
Metaphysics in economics refers to beliefs that go beyond the ________ and the tangible. For instance, the belief that supply and demand curves exist cannot be proven or verified in reality, as demonstrated by the loanable funds exercises in macroeconomics.
physical
Supply and demand, as concepts, are considered ________ because they can’t be seen, yet economists believe that markets obey rules based on them.
metaphysical
The disciplinary matrix is challenging to escape as individuals are indoctrinated from a young age through ________ examples.
standard
The use of specific markets in education aims to make the concept of supply and demand more ________ for students.
understandable
The disciplinary matrix’s influence continues until individuals may lose their ability to think critically to some ________.
extent
The idea of firms as machines is introduced to make it easier to believe that firms can be fine-tuned, thus influencing the ________ in business economics.
metaphysics
According to Kuhn’s policy, after graduation and during a PhD, a professor who supervises the research is responsible for the quality of the end work. If the work adheres to disciplinary rules, the supervisor may stimulate the researcher, but if the work is too original, the supervisor may cut them ________.
short
Scientific conferences play a crucial role in maintaining the disciplinary matrix. Presenting work that aligns with the established rules can enhance one’s reputation, while presenting work that deviates may lead to neglect, ridicule, and difficulty in getting published. This ensures that the disciplinary matrix is ________.
kept intact
The disciplinary matrix molds individuals into a certain world view, convincing them that one way of viewing the world is the ________ one.
right
The metaphor of viewing a market in terms of supply and demand is used to illustrate the concept of ________.
Gestalt
What is Kuhn’s view on truth in science?
Kuhn rejected the correspondence theory of truth, stating that truth is relative to the paradigm accepted by scientists.
What is the major source of disagreement between Kuhn and Popper?
The concept of normal science
For Popper what is the definition of a true scientist?
Being critical
Why did Kuhn disagree with Popper’s belief that scientists are critical?
According to Kuhn science is developed with accordance to phases that are called paradigms
What are the 4 elements of a disciplinary matrix?
- Paradigm
- Metaphysics
- Symbolic generalization
- Values
Empirical content rises as statements become more :
general and more precise
The higher the number of potential falsifiers, the higher the:
empirical content
- Does Popper hold that his methodology can be equally applied to the social sciences and the
physical sciences alike? Why (not)?
- No. In Popper’s view science progresses by stating bold conjectures on cause and effect
relationships. In social sciences such cause and effect relationships are socially and
historically specific and subject to change. Therefore bold conjectures have less staying
power and speaking of trends or tendencies is the best one can do.
According to Popper, to allow for progress in science, immunizing strategies are ______ allowed.
not
What does “immunization” mean in the context of theories?
Immunization, in the context of theories, refers to the practice of upholding theories even when they have been found to be false.
What are some ways of immunizing a theory?
There are several ways to immunize a theory. One way is through ad hoc reclassifications of terms, such as changing the definition of a specific term. Another method involves making ad hoc changes to underlying theories. The last way is through an ad hoc change in the domain of the theory.
Can you provide an example of ad hoc reclassification as a method of immunizing a theory?
Yes, for instance, in the mentioned example, ad hoc reclassification could be done by changing the definition of the term ‘profit.’
How does an ad hoc change in the domain of a theory serve as a method of immunization?
An ad hoc change in the domain of a theory involves specifying that the theory only applies to certain conditions or contexts. In the given example, this could be achieved by stating that the theory holds true only for companies in specific markets or those with a minimum number of shareholders.
According to Kuhn, when an observation seemingly contradicts key beliefs in the scientific community, it is termed as an ________.
anomaly
Instead of outright rejecting theories when anomalies are found, Kuhn suggests that scientists often employ ________ stratagems to protect their existing beliefs.
immunizing
Anomalies in science, such as the financial crisis in economics, may prompt scientists to try fitting the anomaly into the existing ________ of science, including standard paradigms, research methods, metaphysics, and criteria for justification.
mold
The financial crisis in 2007-2008, which challenged the belief that monetary variables could not influence the real economy, is considered a ________ event in economics
black swan
The inability of existing models to foresee the financial crisis led to a recognition that some anomalies may require a new way of viewing the world, taking distance from previous principles such as the classical dichotomy. This need for a new perspective is often termed a ________ switch by Kuhn.
Gestalt
Anomalies, like the financial crisis, may reach a point where the existing disciplinary matrix and beliefs of a community can no longer be repaired. This may lead to young scientists doubting their education and the beliefs of their discipline, potentially resulting in a ________ switch.
Gestalt
Kuhn describes a Gestalt switch as a moment when, using different principles, the world starts appearing completely differently ________.
all of a sudden
What is Karl Popper’s stance when a theory fails to predict observations?
Popper asserts that if a theory fails to predict observations, it indicates a fundamental failure, and the theory should be entirely rejected.
How does Milton Friedman differ from Karl Popper regarding theories that do not predict accurately?
Friedman disagrees with Popper and argues that if a theory fails to predict a specific set of observations, it does not necessarily mean the entire theory is invalid; instead, it might only be limited in its scope for predicting certain phenomena.
According to Popper, what is the appropriate course of action when a theory is unable to make accurate predictions?
Popper recommends dismissing the theory entirely when it fails to predict observations, as it indicates a significant flaw in the theory.
How does Friedman’s perspective contrast with Popper’s in terms of handling theories that do not predict certain phenomena?
Unlike Popper, Friedman believes that if a theory fails to predict a particular class of phenomena, it doesn’t warrant the complete rejection of the theory; instead, it may indicate limitations in its predictive capabilities for specific cases.
According to Popper’s criteria for scientific statements, why would he consider the statement “If more Euros can be bought per Dollar, the European balance of trade with the US improves, while the US trade balance with Europe deteriorates” as highly scientific?
Popper would consider this statement highly scientific because it involves multiple observable consequences and is specific enough to be subject to empirical testing, aligning with his principle of falsifiability.
Popper gave two reasons why social laws may be difficult or impossible to find (or even non-existent). They were:
Societies are always in some stage of development. Laws that apply to one stage, may not apply to another, so social laws are always historically specific. 2) If a law-like regularity is found, people will change their behaviour in response, thus voiding the law.
According to Kuhn’s “The Structure of Scientific Revolutions,” how do social aspects influence the content of science?
Kuhn contends that disciplinary training in a field imparts a specific world view or Gestalt to individuals. This world view not only shapes the perceived relevance of questions but also dictates the acceptable research approaches for trained professionals.
In Kuhn’s perspective, what role does disciplinary training play in shaping the content of science?
Kuhn argues that disciplinary training bestows individuals with a particular world view (Gestalt), which not only influences the types of questions considered relevant but also prescribes the permissible research approaches within a specific scientific discipline.
In Kuhn’s 1970 postscript to “The Structure of Scientific Revolutions,” what components make up a scientific community’s disciplinary matrix?
According to Kuhn, a disciplinary matrix in a scientific community comprises symbolic generalizations, a metaphysical part, values, and a paradigm.
According to Kuhn’s postscript, what is the role of the metaphysical part in the training of individuals in a scientific community?
Kuhn suggests that the metaphysical part is involved in training as individuals make standard assumptions about entities and processes in the world while solving standard problems of the discipline.
What does Kuhn mean by a Gestalt switch, and how does he illustrate this concept?
A Gestalt switch, according to Kuhn, is when scientists adopt different principles, causing the world to suddenly appear entirely different. He illustrates this concept using the example of a picture that can be interpreted in two ways, similar to how scientists may switch their worldview when confronted with too many anomalies in normal science.
When anomalies accumulate to the point where the existing disciplinary matrix becomes difficult to repair, it may lead to doubt among young scientists about their ____________ and the beliefs of their discipline.
education
The financial crisis of ____________ challenged the long-held belief in economics that monetary variables could not influence the real economy, leading to a significant anomaly.
2008
Thomas Kuhn suggests that instead of outright rejection, scientists often employ ____________ when faced with anomalies, adapting existing principles to incorporate them into the scientific framework.
immunizing stratagems
A Gestalt switch, according to Kuhn, occurs when scientists adopt different ____________, causing the world to suddenly appear entirely different.
principles
Imre Lakatos aimed to synthesize Kuhn and Popper by introducing the concept of ____________ in his methodology of scientific research programs.
sophisticated falsification
Lakatos defines a research program as consisting of a hardcore and a protective belt. The hardcore encompasses all the ____________ and central beliefs of a scientific community.
disciplinary matrix