Economics for Political Scientists

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What You'll Learn in This Episode:

• Scarcity & Opportunity Costs: Why every decision involves implicit sacrifices, and how economists measure the true cost of choosing one activity over another.
• Preferences & Indifference Curves: How we model individual priorities between outcomes (such as higher income or better grades) and free time, and what the Marginal Rate of Substitution (MRS) tells us about personal valuation.
• Constraints & The Feasible Frontier: Defining the technological limits of what is achievable, and using the Marginal Rate of Transformation (MRT) to measure the rate at which free time can be transformed into output.
• Utility Maximization ($MRS = MRT$): How decision-makers find their optimal choice where their willingness to trade off free time exactly matches the technological reality of what is possible.
• Income vs. Substitution Effects: Why higher earnings or productivity gains don't automatically mean people work more hours—and how these competing effects explain national differences in work patterns across history.

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Why do rational individuals often fail to cooperate, even when mutual benefit is within reach[3][4]? In this episode, we dive into the required readings for Lecture 2 (ESPP Chapter 2 and Sections 3.4–3.6) to examine how economists and political scientists analyze social interactions, public goods, and policy outcomes[5].

What You'll Learn in This Episode:

• Strategic Interactions & Game Theory: How models with players, strategies, and payoffs help us map strategic decisions in political and economic arenas[6][7].
• The Invisible Hand vs. The Tragedy of the Commons: Contrasting Adam Smith’s optimistic view of market self-interest[8][9] with Garrett Hardin’s warning on resource depletion and the Prisoner's Dilemma[4][10].
• Public Goods & Free Riding: Why individuals face incentives to exploit the efforts of others, and how social preferences—altruism, reciprocity, and inequality aversion—can resolve social dilemmas[11][12].
• Institutional Governance & Elinor Ostrom: How social norms, communication, and peer punishment sustain long-term cooperation without heavy-handed government intervention[13][14].
• Nash Equilibrium & Conflict: Finding mutual best responses in interactions, and understanding why societies sometimes get "stuck" in suboptimal outcomes[15][16].
• Evaluating Allocations — Efficiency vs. Fairness: Defining Pareto efficiency (where no one can be made better off without hurting someone else)[17] and weighing it against substantive and procedural fairness in public policy[18][19].