First externalities risk due to the size of the companies or the principle that large companies are also at risk of bankruptcy (too big to fail) are examined. The problem is illustrated by a case in which extreme risks with negative consequences for savers and investors are taken. If we...

A firm's termination generates bankruptcy costs. This may create incentives for a firm's owner to bail out a firm in bankruptcy and to curb the firm's risk taking outside bankruptcy. We analyze the role of such implicit guarantees in the context of financial institutions that sponsor money...

This article analyzes the manifold situations in which the efficient-market hypothesis (EMH) has influenced—or has failed to influence—federal securities regulation and state corporate law, and the prospective roles for the EMH in these contexts. In federal securities regulation, the EMH has...

On November 14th, 2014, SUERF – The European Money and Finance Forum – and CNMV, Comisión Nacional del Mercado de Valores – the Spanish Authority for supervision of securities markets – jointly organized a conference in Madrid: Challenges in Securities Markets Regulation: Investor...

We construct a price, dividend, and earnings series for the Industrials sector, the Utilities sector, and the Railroads sector from the beginning of the 1870s until the beginning of the year 2013 from primary sources. To infer about mispricings in the sector markets over more than a century, we...

This paper provides the first evidence for empirical tests of the effect of rational expectations as well as behavioral biases, including among other animal spirits such as defined by Akerlof and Shiller (2009) on the variability of trading.We have used daily data for five international capital...

This paper investigates the changes in the investment portfolio performance after including VIX. We apply different models for optimal portfolio selection (Markowitz and Black-Litterman) assuming both the possibility of short sale and the lack of it. We also use various assets, data frequencies,...

This article attempts to examine whether the equity premium in the United States can be predicted from a com-prehensive set of 18 economic and financial predictors over a monthly out-of-sample period of 2000:2 to 2011:12, using an in-sample period of 1990:2-2000:1. To do so, we consider, in...

The shortage function has recently been introduced in portfolio selection theory for measuring efficiency. In this paper we focuss on the case of shortselling. We show that, in such a case, the shortage function can be computed in closed form. Some issues concerning duality are also analyzed. We...

This study examines the return and volatility behaviour of Borsa Istanbul Real Estate Investment Trusts (REITs) Index and Borsa Istanbul 100 (BIST 100) Index. It focuses on three main points. First, we search whether there are variations in index returns and volatilities by days of the week,...