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This paper analyzes market index returns in the Tehran stock exchange (TSE) within the context of three variants of the Capital Asset Pricing Model: the static international; the constant-parameter intertemporal; and a Markov-switching intertemporal CAPM, which allows for time-varying degree of...
Persistent link: https://www.econbiz.de/10010933276
efficiency increases while stock return volatility decreases. Panel data regressions reveal that intensified short …-selling activities are associated with improved price efficiency. Short-sellers trade to eliminate overpricing by selling stocks with …
Persistent link: https://www.econbiz.de/10011077983
The paper investigates both the long run and the short run relationships between the Ghana stock market and macroeconomic variables. The paper establishes that there is cointegration between the macroeconomic variables and Ghana stock market. The results of the short run dynamic analysis and the...
Persistent link: https://www.econbiz.de/10008503540
relative arbitrage among all buy-and-hold strategies (called static efficiency). A valuation process for a payoff is then …
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Efficiency is an important consideration for those who manage public services. Costs vary with output and with a … these factors into account, costs vary across providers because of differences in efficiency. Such differences offer clues … about good practice that can lead to improvements in the system as a whole. The role of efficiency is illustrated by …
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The Action Lecture program is an innovative teaching method run in some nursery and primary schools in Paris and designed to improve pupils’ literacy. We report the results of an evaluation of this program. We describe the experimental protocol that was built to estimate the program's impact...
Persistent link: https://www.econbiz.de/10010869459