The admission by the Greek government on October 18, 2009, of large-scale accounting fraud in its national accounts sparked an unprecedented sovereign debt crisis that rapidly spread to the Eurozone’s weakest member states. As the crisis increasingly drove a wedge between a seemingly resilient...

It is often argued that certifiers have an incentive to offer inflated certificates, although they deny it. In this paper, we study a model in which a certifier is paid by sellers, and may offer them inflated certificates, but incurs costs if doing so. We find that the certifier may face a...

This paper focuses on the role of managerial agency costs in financial conglomeration. We model conglomeration as the integration of commercial and investment banking in one organizational unit where bank managers accomplish both activities. We assume that managers differ in their abilities to...

Certifiers contribute to the sound functioning of markets by reducing a symmetric information. They, however, have been heavily criticized during the 2008-09 financial crisis. This paper investigates on which side of the market a monopolistic profit-maximizing certifier offers his service. If...

We consider a model of securities issues where the quality of securities is private information to the issuer, and firms of higher quality are more reluctant to issue securities than low quality firms. We show that, when the issuer directly trades with investors, market breakdown may occur. This...

This paper constructs a model where entrepreneurial innovations are sold into oligopolistic industries and where adverse selection problems between entrepreneurs, venture capitalists and incumbents are present. We first show that aggressive development of a basic innovation by better informed...

This paper analyzes debt-equity choice for financing a two-stage investment when a firm’s insiders have private information about the firm’s expected earnings. When private information is one-dimensional (for example when short-term earnings are common knowledge while long-term earnings are...

There has been an explosion of innovation backed by venture capital since late 1970’s. Nonetheless, a great deal of innovation still occurs within large companies. In this paper, I investigate the factors that determine when innovation is performed by venture-backed firms and when by large...

We explore why venture capital funds limit the amount of capital they raise and do not reinvest the proceeds. This structure is puzzling because it leads to a succession of several funds financing each new venture which multiplies the well known agency problems. We argue that an inside investor...

The condensed research article presents some innovative research results on the venture capital optimal investment portfolio strategies selection in the diffusion-type financial systems in the imperfect highly volatile global capital markets with the incomplete information, which are...