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ch 6 econ
| Question | Answer |
|---|---|
| nominal exchange rate | the price of one country's currency in units of another country's currency |
| purchasing power parity (PPP) | constructs the cost of a representative basket of commodities in each country and uses the relative cost of these baskets for comparing income across countries. GDP per capita= GDP per capita in local currency * PPP adjustment |
| productivity | value of goods and services that a worker generates for each hour of work |
| Productivity differences | the ultimate drives of income per capita and income per worker differences across countries 3 main reasons: human capital, physical capital, technology |
| Human capital | the stock of skills embodied in labor to produce output. (total efficiency units of labor) H= L*h L= total number of workers h= average human capital or efficiency |
| physical capital | stock of business structures(plants) and equipment (machines) used for production. |
| Technology | superior knowledge in production or more efficient production process so that more output can be produced with the same amount of human and physical capital. can be embodied or contained in H and K |
| aggregate production function | models thew relationship between aggregate GDP and its factors of production. Y= A*F(K,H) Y=GDP K= physical capital stock H= total eff. units of labor F= mathematical fiucntion A= index of technology |
| Law of diminishing Marginal produce | the marginal contribution of either physical capital or total efficiency units of labor to GDP diminishes when we increase the quantity used of that factor( holding all other factors of production constant) |
| Marginal product of human capital decreasing | holding K constant |
| Marginal product of physical capital is decreasing | holding H constant |
| Technology shift the production function upward | with more advanced technology, more output can be produced with the same amount of physical capital and total efficiency units of labor |
| technology has 2 components | knowledge, efficiency in production |
| knowledge | as a direct result of scientific/technological advancements, we know more about the physical processes involved in production |
| Efficiency in production | ability to perform certain tasks more efficiently, that is, ability to produce the maximum amount of output, from a given amount of K,H, and knowledge |
| Workers and capital today possess... | 1) knowledge of how to produce new goods 2) knowledge of how to perform certain tasks more efficiently |
| Moore's law | Moore's law predicts that the number of transistors packed on a computer chip should double every 2 years |