ECON 1BB3 Lecture Notes - Production Function, Human Capital, Marginal Product

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ECON 1BB3 Full Course Notes
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ECON 1BB3 Full Course Notes
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Document Summary

Productivity: the quantity of goods and services that a worker can produce for each hour of work. While human capital we gain from spending time learning how to do things. Analogy: technological knowledge is like all the books in the library and human capital is the time we spend reading. Once knowledge becomes public it exists and we can use it. Production function: shows how we combine inputs to produce output. Equation: y (output) = a (technology) * f (k, l, h, n) If a production function exhibits constant returns to scale, then doubling all inputs leads to doubling of output. 100y= a*f(100k,100l,100h,100n) xy = a * f(xk, xl, xh, xn) What matters for economic growth is productivity. Marginal product: the extra output we produced by increasing an input by 1 unit. Diminishing marginal product: the extra output produced by adding the 19th unit of labor is smaller than the extra output produced by adding the 18th unit of l.

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