The crime is murder in these novels, and the plots include accessories such as floor plans, maps, and railway timetables. The appeal of Golden Age fiction is the challenge of the intellectual game.
exogenous variables. (mathematics). In a mathematical model, the independent variables, which are predetermined and given outside the model. 1  Facebook. 2  Twitter.
In order words, WWW use is the dependent variable in the second equation and is also included in the first equation as an endogenous variable. This is a recursive bivariate probit model, which is explained in Maddala (1983) and Greene (1996, 2003).