Past research reveals an extraordinary number and variety of transaction games, often with different rules. For example, buy and sell offers can be take-it-or-leave-it, irrevocable, of limited duration, negotiable, contingent on events, et cetera. The possible sets of rules seem endless. Past...

There are many critical concerns (including the accounting for endogeneity) when one is properly estimating response functions. However, it is sometimes (certainly not always) better to leave some variables exogenous when building mathematical models intended to help decision makers. The...