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Beta is considered an important measure of systematic risk which is arguably present in an emerging market. Daily data for 2200 Australian listed firms is collected for the January 2007–December 2016 period. Various portfolios are considered. Days with announcements (the a-day) related to crucial macroeconomic news are allocated into the group which is separated from the n-day (nonannouncement days) group. Findings indicate that beta is negatively related to daily expected excess returns in the announcement days in comparison with the nonannouncement days. It is the claim of this paper that portfolio formations do matter when empirical studies on asset pricing are conducted.

This article investigates the market reaction to a sample of announcements of business service outsourcing arrangements made by UK quoted companies between 1991 and 1997. Event study methodology is applied to daily stock returns to measure the reaction, in the form of excess returns, immediately prior to and at the date of an outsourcing contract announcement. The conclusion is that initial announcements tend to enjoy positive and significant reaction and that the larger companies in the sample show a more positive reaction than smaller companies. Overall outsourcing announcements appear to be associated with excess returns but the absence of any recognized basis for disclosure prevents a complete analysis of such events.

The massive real-estate price increases experienced in Israel over the last several years have elicited in policymakers the realization that they need to take action to reduce housing demand and prevent the Israeli housing market from collapsing. As a result, during May and October 2010, the Bank of Israel stepped in and increased the effective rate on mortgages and lowered the number of qualified applicants. In announcing the new regulations, the Bank of Israel’s main objective was to halt rising demand and to prevent further growth of the housing bubble. We use event study analysis to show that not only did the new regulations have no effect on housing prices but they in fact also markedly influenced the market value of the real-estate companies traded on the Tel-Aviv stock exchange.