In the market for payment media, some consumers use only one medium when paying for their point-of-sale transactions, while others use many. This pattern reflects the diffusion of new payment media, because a payment method innovation is typically first used simultaneously with the established...

Transparency regulation aims at reducing financial fragility by strengthening market discipline.There are however two elementary properties of banking that may render such regulation inefficient at best and detrimental at worst.First, an extensive financial safety net may eliminate the...

We propose a rationale for why firms often return to the equity market shortly after their initial public offering (IPO). We argue that hard to value firms conduct smaller IPOs, and that they return to the equity market conditional on positive valuation signal from the stock market. Thus,...

We study the ability of competitive coordination service platforms (such as auction sites and real estate agents) to facilitate trade in a directed search model where buyers have unit demands and each seller only has one good to sell. The sellers' capacity constraint leads to a coordination...

We study the optimal precision of public information disclosures about banks assets quality. In our model the precision of information affects banks' cost of raising funding and asset profile riskiness. In an imperfectly competitive banking sector, banks'stability and social surplus are...

We study the value of innovation in a case study of one of the most visible innovative products in recent years, Apple's iPhone. The value effects of news announcements, patent publications, and trademarks relating to iPhone are taken into account. Our estimate of the lower bound on the value of...

A sweeping and protracted reform of corporate law took place in Finland in the 1970s. The reform brought significant improvements to investor protection and, similar to the US Sarbanes-Oxley Act, tightened disclosure rules at the cost of increasing the work load in corporate reporting. We find...

We extend the theoretical basis of the empirical literature on the effects of R&D subsidies by providing an estimable model of strategic interaction among subsidy applicants, and public and private sector R&D financiers. Our model incorporates fixed R&D costs and a cost of external finance. We...

Economic interest in innovation policy largely arises from the fundamental importance of innovation to social welfare and from inefficiencies in innovation in a competitive market environment. As a result, a wide variety of public innovation policies are used in practice. This study reviews the...

We study whether and to what extent financial exchange innovations are in practice patentable in Europe. We find that exchange-related applications initially increased significantly after the State Street decision but subsequently decreased. The clear majority (65%) of applications come from the...