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We use changes in Brazil s tax on capital inflows from 2006 to 2011 to test for direct portfolio effects and …. We find that an increase in Brazil s tax on foreign investment in bonds causes investors to significantly decrease their … portfolio allocations to Brazil in both bonds and equities. Investors simultaneously increase allocations to other countries …
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It is often argued that intraday returns can be used to construct covariance estimates that are more accurate than those based on daily returns. However, it is still unclear whether high frequency data provide more precise covariance estimates in markets more contaminated from microstructure...
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This study contributes to research on value investing in Brazil, analyzing the Brazilian funds that adopt this …
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Optimal portfolios with a restriction on the number of assets, also referred to as cardinality-constrained portfolios, have been receiving attention in the literature due to its popularity among market practitioners and retail investors. In most cases, however, the interest is in proposing...
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