Psychological studies invariably find a positive relationship between violent video game play and aggression. However, these studies cannot account for either aggressive effects of alternative activities video game playing substitutes for or the possible selection of relatively violent people...

This paper investigates how video game publishers’ choice of game release date is affected by the expected level of competition within the game’s product niche. We identify game niches by genre, age-appropriateness, a four week window cohort, publisher and console system. Our analysis is...

We investigate how competition in product niches affects the ultimate timing of product release for experience goods using data on motion pictures in the United States. We identify product niches that movies occupy along three different product dimensions: common actor, common director, and...

This paper analyzes the relationship between service innovation and different types of enterprise software systems, i.e. standardized enterprise software designed to fit one certain business sector and enterprise software specifically customized for a single firm. Using firm-level data of a...

We contribute to the role of telecommunications infrastructure on economic growth in three ways. We separately examine fixed-line and mobile telephone subscription levels. We compare results across periods and regions that differ by the level of development. In addition, we develop a method...