The absolute deterministic version of purchasing power parity (PPP), in which nominal exchange rates move precisely to offset changes in aggregate price levels between national economies, is not generally supported by empirical evidence. Testing PPP with standard regression models permits some...

HE PROBIT MODEL IS A POPULAR DEVICE for explaining binary choice decisions in econometrics. It has been used to describe choices such as labor force participation, travel mode, home ownership, and type of education. These and many more examples can be found in papers by Amemiya (1981) and...