In the Introduction to the Derivative video we introduce the notion of the derivative of a function and explain how the derivative captures the instantaneous rate of change of a function. In the ...

Econometric Theory provides an authoritative outlet for original contributions in all of the major areas of econometrics. As well as articles that embody original theoretical research, the journal ...

The exponential function is introduced as $\mathrm{exp}\mathrm{x}=\underset{\mathrm{n}\to +\mathrm{\infty }}{\mathrm{lim}}(1+\frac{\mathrm{x}}{\mathrm{n}}{)}^{\mathrm ...