We study competitive interaction between profit-maximizing firms that sell software and complementary goods or services. In addition to tactical price competition, we allow firms to compete through business model reconfigurations. We consider three business models: the proprietary model (where...

In this paper I study how innovation investment in a software duopoly is affected by the fact that one of the firms is, or might become Open Source. Firms can either be proprietary source (PS) or open source (OS) and have different initial technological levels. An OS firm is a for profit...

The open source model is a form of software development with source code that is typically made available to all interested parties. At the core of this process is a decentralized production process: open source software development is done by a network of unpaid software developers. Using data...

We study entrepreneurs’ start-up financing from banks and local financiers. An informalnetwork, whose membership cannot be observed by outsiders, conveys the good signals itgets about the hidden types of network entrepreneurs to local financiers, which are thenreflected in different loan...

This paper employs United States Census data to study the occupational allocation ofimmigrants. The data reveal that the occupational shares of various ethnic groups havegrown drastically in regional labor markets over the period 1980 to 2000. We examine theextent to which this growth can be...

Using unique register data for Sweden we can match self-employed persons to theiremployees. We analyze the national composition of the employees and ask if self-employedimmigrants mainly employ workers from their home region and if self-employed nativesmainly employ native workers...