Vocabulary Flashcards
Endogeneity
When the dependent variable has an impact on the independent variable. (i.e. the trend is working both ways, causing a feedback loop). Example: A high quality institution can help boost GDP, but a high GDP can also lead to a better institution.
Counterfactual
Expressing what did not happen, helpful in showing causal relationships. If you want to prove that x causes y, you can prove that when x doesn’t happen, neither does y.
Selection Bias
When the groups being studied/surveyed for research are not representative of the whole population you are trying to represent. (surveying political opinions from only young students from a district and claiming they are representative of all citizens of that district)
Independent Variable
The variable that is manipulated
Dependent Variable
The variable that is measured and changes as a result of changes in the independent variable
Natural experiment
A case where nature assigned a random treatment, so you can treat the correlation as a causal relationship
Field Experiment
Assigning a treatment to people in a real world environment (unethical in political science usually)
Internal Validity
Exists if the observed results of a study aren’t caused by outside factors that could be manipulating them
External validity
the ability to generalize the results of this study to other groups outside of the range of your experiment
State fragility
Deficiencies in state authority, capacity, or legitimacy. Basically whether a state is able to carry out the duties it needs to.
Ethno-linguistic Fractonalization (ELF) measure
The probability that two randomly drawn individuals belong to two different ethnic groups
Majoritarian (SMD)
Candidate who gains the most votes wins the election in a winner-take-all system. Duverger’s law states that this type of system will always lead to a 2 party system due to the inability to balance a 3rd party effectively in the competition
Proportional Representation (PR)
Citizens vote for parties, and the seats in the legislature are distributed according to the proportion of votes received by each party
Parliamentary System
A system of governance in which the executive is selected by the legislative branch
Presidential System
A system of governance in which the executive is the head of state and is elected separately from the legislature
Duverger’s Law
3rd parties are always underrepresented in the winner-take-all system
Selectorate
The group that chooses the executive and maintains his/her power.
Resource Curse
A term for the trend of failure in very resource-rich countries due to the lack of incentive for their economies to grow and evolve past simply exporting raw materials.