This is the first paper that examines economies of scale in stock exchanges. The data employed in the study include cost and output statistics for 37 stock exchanges in four continents around the world for the year 1997. I estimate two traditional
Efficiency in the context of financial markets can be defined in many ways. The major strand of finance literature measures the market’s ability to process information into prices. Another strand of literature refers to the economists’ usual sense of the word, i.e.
We investigate the term structure for the case when interest rates are allowed to be driven by a general marked point process as well as by a Wiener process. Developing a theory which allows for measure-valued trading portfolios we study existence and