A model is presented to characterise the (optimal) demand for cash balances in deregulated markets. After the model of James Tobin, 1958, net balances are determined in order to maximise the expected return of a certain portfolio combining risk and capital. Unlike the model of Tobin, the prices...

An alternative theoretical setting is presented to characterise the money demand and the monetary equilibrium. Two main hypotheses are stated that contradict the assumptions normally sustained by scholars and policy-makers: National output is assumed to be a random variable, and people are...

I analyze a model with heterogeneous investors who have incorrect beliefs about fundamentals. Investors think that they are right at first, but over time realize that they are wrong. The speed of the realization depends on investor confidence in own beliefs and arrival of new information. The...

Econometricians had been blamed for the financial crises that occurred due to their giving a ‘false hope’ to investors and policy makers using untested theoretical assumptions. Therefore, econometricians had been challenged to reform their studies by grounding them more solidly on reality....

This paper deals with the CAPM-derived capital budgeting criterion, and in particular with Rubinstein’s (1973) criterion, according to which a project is profitable if the project rate of return is greater than the risk-adjusted cost of capital, where the latter depends on the project’s...

Tail hedging is a portfolio management strategy meant to reduce the risk of large losses. For an investor who holds a stock market index fund, the strategy entails buying out of the money put options on the index. Research suggests the strategy works well in practice and I explore the returns to...

This paper develops a model of valuation of investment projects which includes nano-medical scientific and industrial dynamics, and its regulation. First critically analyzes the literature on valuation of investments, arguing that the methodology of real options is the most appropriate. It is a...

Consider an agent who holds a stock, but is allowed to buy and hold some quantity of at-the-money put options on the stock. Such an agent must decide the optimal use of financial derivatives under trade restrictions. This paper uses simulation to compare the optimal quantity when the agent...

This paper studies the particularities of portfolio selection on the Romanian stock market using the risk-return maximization criteria introduced by Harry Markowitz (1952). We used daily prices for the 36 most liquid companies traded on Bucharest Stock Exchange during January 2010 – March 2012...

The paper develops measures of home bias for 48 countries over the period 2001 to 2011 by employing various models: International Capital Asset Pricing Model (ICAPM), Mean-Variance, Minimum-Variance, Bayes-Stein, Bayesian and Multi-Prior. ICAPM country portfolio weights are computed relative to...