Incumbent companies lag behind new entrants in entering the product markets of disruptive technologies. This study presents a simple mathematical model of the innovator ’s dilemma (the “failure framework”), incorporating factors that determine the length of the market entry time lag. The...

This study aims to present a theoretical basis for a selection of a finance source for public service expenditures from among a labor income tax, a consumption tax, and a sales tax. Using an overlapping generations model, we examine the issue of selecting a tax method given an aging population,...