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The stock market valuation of research and development expenditures
Chan, Louis K. C.; Lakonishok, Josef; Sougiannis, Theodore - 1999
Persistent link: https://www.econbiz.de/10001399757
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The Stock Market Valuation of Research and Development Expenditures
Chan, Louis K.C. - 1999
We examine whether stock prices fully reflect the value of firms' intangible assets, focusing on research and development (R&D). Since intangible assets are not reported on financial statements under current U.S. accounting standards and R&D spending is expensed, the valuation problem may be...
Persistent link: https://www.econbiz.de/10012471566
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On Portfolio Optimization : Forecasting Covariances and Choosing the Risk Model
Chan, Louis K.C. - 1999
We evaluate the performance of different models for the covariance structure of stock returns, focusing on their use for optimal portfolio selection. Comparisons are based on forecasts of future covariances as well as the out-of-sample volatility of optimized portfolios from each model. A few...
Persistent link: https://www.econbiz.de/10012471761
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Do Institutional Investors Destabilize Stock Prices? Evidence on Herding and Feedback Trading
Lakonishok, Josef - 1991
evaluate the potential effect of their trading on stock prices. We address two aspects of trading by money managers: herding …, which refers to buying (selling) the same stocks as other managers buy (sell) at the same time; and positive … of substantial herding or positive-feedback trading by pension fund managers, except in small stocks. Also, there is no …
Persistent link: https://www.econbiz.de/10012475147
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On Portfolio Optimization : Forecasting Covariances and Choosing the Risk Model
Chan, Louis K.C. - 2010
We evaluate the performance of different models for the covariance structure of stock returns, focusing on their use for optimal portfolio selection. Comparisons are based on forecasts of future covariances as well as the out-of-sample volatility of optimized portfolios from each model. A few...
Persistent link: https://www.econbiz.de/10012763801
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The Stock Market Valuation of Research and Development Expenditures
Chan, Louis K.C; Lakonishok, Josef; Sougiannis, Theodore - 2021
We examine whether stock prices fully reflect the value of firms' intangible assets, focusing on research and development (R&D). Since intangible assets are not reported on financial statements under current U.S. accounting standards and R&D spending is expensed, the valuation problem may be...
Persistent link: https://www.econbiz.de/10013211643