9 - Economics I Flashcards

1
Q

Economics

A
  • Study of how limited resources can best be used to fulfill UNLIMITED human wants
  • *many decisions we make in vet med have economic implications
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2
Q

Why worry about economics?

A
  • Studies and trials of potential various treatments or control programs to affect the biological aspects of disease not necessarily talking abou the economics
  • *do the costs incurred by treatment JUSTIFY the gains or returns?
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3
Q

Economics can be used to

A
  • Evaluate the past
  • Quantify/describe the present
  • Predict or plan for the future (least effective)
  • *does NONE of them PERFECTLY
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4
Q

Economic predictions

A
  • Often imprecise
  • *compare your level of confidence in various things
  • FORECASTING is the primary reason for economic evaluations
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5
Q

Economic analyses utilize

A
  • ‘models’ to approximate reality
    o Need simplifying assumptions (realistic and valid for my situation?)
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6
Q

Example: how much does it cost to go to the store to buy milk

A
  • How far to the store?
  • Cost of milk and gas
  • Labour (mine vs. my brothers)
  • How long will it take? (TIME)
  • Type of car
  • Milage
  • Accident on the way? Paralyzed?
  • *need to have some ‘windows’ around a model
  • *how accurate does it need to be?
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7
Q

Biological systems are ‘OPEN’ systems

A
  • Involve MANY VARIABLES
  • Degree of precision is often POOR
  • Even with imperfect information, order of magnitude can be helpful
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8
Q

Economics and human behaviour variables

A
  • Profit
  • Utility
  • Risk
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9
Q

Profit

A
  • Profit=revenue minus expenses
  • *hard to determine revenue and expenses
  • Easy to focus on it as an END POINT=MOTIVATION
  • Understandable
  • Quantifiable units (dollars)
  • Can compare several different aspects, enterprises or industries
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10
Q

Not everyone is motivated SOLELY by profit

A
  • Concept of UTILTY
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11
Q

Utility

A
  • Everyone has a concept of what is ‘good’ for us
  • Abstract concept
  • Not as easily measured as dollars
    o Security, peace, fun, lack of change, fulfillment
  • *people don’t always respond ONLY to monetary motivators
  • **BECOMES important in companion animal and human medicine
  • *cost and expenses still involved but different measures
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12
Q

Food animal producers

A
  • Profit isn’t necessarily a goal, but a CONSTRAINT
    o Necessary to survive
  • Often do financially stupid things b/c something else is MORE IMPORTANT to them
  • *try to increase production (only half the profit equation)
    Ex. is the increased production sufficient to pay for the effort to achieve it?
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13
Q

Risk

A
  • Another aspect of producer behaviour
  • 2 basic aspects
  • *most are RISK ADVERSE
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14
Q

What are the 2 basics aspects

A
  • Probability of harm
  • Magnitude of bad outcome (severity of impact)
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15
Q

Probability of harm

A
  • How likely is something bad going to happen
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16
Q

Risk adverse

A
  • Ex. Buy fire insurance
    o Ex. probability=low, magnitude of outcome=high
  • Ex. vaccination programs
  • *WE MAY CHOOSE TO MINIMZE RISK AT THE EXPENSE OF PROFIT
17
Q

What to consider when you see an economic analysis in a paper?

A
  • Partial budgets
  • Decision analysis
18
Q

Have the interventions being compared been shown to be clinically effective?

A
  • Valid-clinical trial behind it to measure biological effect?
    o Chance, bias, randomization, blinding
19
Q

Whose viewpoint are costs and benefits being considered from?

A
  • Government/industry
  • Farmer
  • Vet
  • Public health
  • *there is NO RIGHT PERSPECTIVE, but it should be state clearly
19
Q

Was the ‘time value’ of money considered?

A
  • Money that we have now is worth more to us than money we receive later
  • *economics with a long ‘time horizon’ need to take this into account
  • *emotional and economic factors
20
Q

Time horizon

A
  • Time scale or limit within which an economic analysis is made
  • Rarely forever
  • *one of the most important ASSUMPTIONS
  • Longer=more DIFFICULT the analysis
  • *time value of money’=need to be taken into account
21
Q

Time value of money measures

A
  • Usually use interest rates
22
Q

Was a sensitivity analysis done?

A
  • Can I trust the precision?
  • Other scenarios considered?
  • Best and worst case scenarios
  • *Changing an important cost or biological response to see how it affects the analysis
23
Q

Do the numbers make sense?

A
  • It is complete enough?
  • Does the info help make more PRODUCTIVE decisions?