We study the use of firms' book-to-market ratios (B/M) in value investing and its implications for comovements in firms’ stock returns and trading volumes. We show B/M has become increasingly detached from common alternative valuation ratios over time while also becoming worse at forecasting...

I reexamine whether media articles with substantive editorial content inform the market's reaction to firms' earnings news. Using variation in earnings announcement coverage because of restructuring at The Wall Street Journal (WSJ), my analyses suggest that WSJ earnings articles improve price...

Questions about Government regulation and agency issues are inherent in political economy as both relate to the operation of markets. Government is involved in setting the rules of the game, so to speak, and agency questions necessarily arise in those organisations where ownership is separated...

We explain the importance of Market Microstructure in the study of the Financial Markets, and then describe the Market Participants who collectively comprise the Financial Market. After a short history of capital markets, we describe the transition of the trading activities from the physical...

An investment portfolio's return variance is the sum of variance generated by passive systematic risk factor exposure, active security selection and active systematic risk factor timing. We show that the components of active risk can be estimated without knowledge of portfolio holdings. In a...

Using electronic order flow data from November 1997 through February 1998 for a random sample of 100 NYSE stocks, we examine the relative importance of program traders, institutional traders, retail traders, and exchange members in driving commonality in order flow, returns, and liquidity for...

A multi-billion-dollar, multi-year discrepancy between two identical share classes of HSBC did not suffer from traditional external limits to arbitrage such as transactions costs and risk measures. One possible explanation is that self-imposed limits to arbitrage (SILTA) such as internal...

Despite the growing interest in green investing among academics and industry professionals alike, there is little consensus on whether it successfully incentivizes firms to adopt eco-friendly business practices. Using the equity holdings of institutional investors and the “demand system...

Resampling implementation of a stress-scenario approach to estimating portfolio default loss distributions is proposed as the basis for estimates of the appropriate absolute level of economic capital allocations for portfolio credit risk. Estimates are presented for stress scenarios of varying...

This paper examines the quarterly holdings of all 13(f) institutions between the third quarter of 1987 and the third quarter of 1995 in approximately 3,800 firms. We analyze the trading patterns of institutions from two perspectives. First, we explore trading at the institution-level to detect...