ECON103 Study Guide - Midterm Guide: Menu Cost, Frictional Unemployment, Gdp Deflator

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Chapter 1 (economics - foundations and models: k(cid:374)o(cid:449) the th(cid:396)ee ke(cid:455) e(cid:272)o(cid:374)o(cid:373)i(cid:272) ideas: People are rational-rational consumers and firms weigh the benefits and costs of each action, and try to make the best decision possible. Optimal decisions are made at the margin- comparing mb and mc is known as marginal analysis: be a(cid:271)le to dis(cid:272)uss ho(cid:449) the follo(cid:449)i(cid:374)g ke(cid:455) e(cid:272)o(cid:374)o(cid:373)i(cid:272) (cid:395)uestio(cid:374)s: Trade off an increase in the production of one good requires the reduction in the production of some other good. Opportunity cost the highest-valued alternative given up in order to engage in some activity. Who will receive the goods and services produced- higher incomes typically obtain more goods/services (they can afford more): u(cid:374)de(cid:396)sta(cid:374)d the (cid:396)ole of (cid:373)odels i(cid:374) e(cid:272)o(cid:374)o(cid:373)i(cid:272) a(cid:374)al(cid:455)sis. Decide on the assumptions to use in developing the model. Retain the revised model to help answer similar economic questions in the future: k(cid:374)o(cid:449) ho(cid:449) to use g(cid:396)aphs a(cid:374)d fo(cid:396)(cid:373)ulas to a(cid:374)al(cid:455)ze e(cid:272)o(cid:374)o(cid:373)i(cid:272) situatio(cid:374)s (cid:894)appe(cid:374)di(cid:454)(cid:895).

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