We analyse questions of arbitrage in financial markets in which asset prices change in time as stationary stochastic processes. The main focus of the paper is on a model where the price vectors are independent and identically distributed. In the framework of this model, we find conditions that...

We consider a multi-period rational expectations model in which risk-averse investors differ in their information on past transaction prices (the ticker). Some investors (insiders) observe prices in real-time whereas other investors (outsiders) observe prices with a delay. As prices are...

In light of the recently passed 2010 Dodd-Frank Act, we assess the effect of margin changes on prices, the risk-sharing between speculators and hedgers, and the price stability of 20 commodity futures markets. We find that margin increases decrease the rate at which prices change, yet they...

It is well known that Micro and Small and Medium sized Enterprises (SMEs) are the backbone of the economy. Most of these companies use external financing sources like debt and equity capital to finance their activities. However, in general, in the area of SMEs' access to finance, there are...

We examine initial public offerings (IPOs) with single, multiple, and no credit ratings. We document a beneficial effect of credit ratings on IPO underpricing, which is amplified by the existence of multiple credit ratings. Multiple ratings also reduce the extent of filing price revisions....

This note discusses the generational incidence of consumption taxes in an OLG framework. The objective is to highlight the channels through which an increase in, e.g., a VAT redistributes income across generations. It turns out that with labor supply exogenous VAT incidence is very similar to...