I present a simple model that formalizes Kahneman's (1973) ideas and experimental work on attention limitations. In addition, I extend his framework to account for the interaction between attention and memory deficits. In particular, I propose that individuals optimally allocate their divisible,...

This paper studies the signalling effect of the consumption-wealth ratio (cay) on German stock returns via vector error correction models (VECMs). The effect of cay on U.S. stock returns has been recently confirmed by Lettau and Ludvigson with a two-stage method. In this paper, performance of...

In the framework of economics models with unbounded short sales a number of different conditions limiting arbitrage opportunities have been introduced. Dana, Le Van and Magnien [JET.87(1999)169] appeal to the condition of compactness of the individually rational utility set and show that all...

A new method of analyzing the efficient portfolio problem under the assumption that short sales are allowed is presented. It is based on the remarkable finding that the original asset set can be reorganized as a set of uncorrelated portfolios, here named principal portfolios. The original...

There is a large and growing literature that investigates evidence for mean reversion in stock prices. Empirically, there is no consensus as to whether stock prices are mean reverting or random walk processes at best, the results are mixed. In this paper, we provide further evidence on the mean...

This paper examines whether research and development (R&D) intensity affects the firm's financing decisions. We use a sample of European firms over the period 2002-2011. We argue that R&D asset has three fundamentals characteristics that make it different from ordinary investment and constrain...

We develop a theoretical model of managerial myopia based on the Q theory of investment. In this model, the manager chooses both investment quantity and the investment horizon. The manager may be myopic, causing an excess weight to be placed by the manager on short term profits, relative to...

The classical realized variance (RV) estimator is biased due to microstructure effects and asset price jumps. Robust realized variance (RRV) estimators adjust for these biases, and make more efficient of use of the intraday data. This article examines the benefits of using RRV estimators instead...

Using a distance-based approach, this paper proposes an index of financial inclusion (IFI) – a measure of inclusiveness of a financial system that incorporates information on various dimensions of financial inclusion in a single number lying between 0 and 1. The proposed index is easy to...

This paper studies the signalling effect of the consumption-wealth ratio (cay) on German stock returns via vector error correction models (VECMs). The effect of cay on U.S. stock returns has been recently confirmed by Lettau and Ludvigson with a two-stage method. In this paper, performance of...