We model the demand-pressure effect on prices when options cannot be perfectly hedged. The model shows that demand pressure in one option contract increases its price by an amount proportional to the variance of the unhedgeable part of the option. Similarly, the demand pressure increases the...

Using panel data of 19 developed economies in the period 1985-2000, we show that share issue privatization (SIP) strongly affects a fundamental aspect of financial development: market liquidity. First, we identify the channels through which a sustained SIP program boosts the liquidity of the...

How does the trading behaviour of institutional money managers affect stock prices? In this paper we document a robust relationship between the net trade patterns of institutional money managers and long term equity returns. Examining quarterly data on US institutional holdings from 1983 to...

A model of profits switches between four regimes with fixed probabilities; the rationally expected profits stream implies the stock market value. This efficient market model is not rejected by UK post-war time-series behaviour of either profits or the FTSE index.

This paper introduces a model, based on the Kalman filter framework, which allows for time varying parameters, latent factors, and a general GARCH structure for the residuals. With this extension of the Bekaert and Harvey (1997) model it is possible to test if an emerging stock market becomes...

This paper investigates whether different systems of financial market organization influence the way in which newly created stock markets become more (weak-form) efficient. The author conducts a detailed comparative analysis of stocks listed on the Budapest and Warsaw Stock Exchanges, 1991-98,...

We study the effects of sterilized intervention operations executed on behalf of the Swiss National Bank (SNB) using tick-by-tick transaction data between 1985-95.We extend preliminary analysis conducted by Fischer and Zurlinden (1999) by matching these data with intra-day indicative exchange...