Rational expectation bubbles: evidence from Hong Kong’s sub-indices

This article uses Hong Kong stock market’s four sub-indices to examine the existence and causes of rational expectation bubbles. The unit root test is applied to the rational bubble hypothesis. Various causality test methods are used to examine the causality of bubble among the four sub-indices. The empirical results show that in the sub-periods of 1986 to 2002 and 2000 to 2012, the bubbles of commerce and industry and utilities industries are consistent with rational expectation bubbles, but not so in the finance and properties industries. In general, the rational expectation bubbles in the two sub-periods seemed to have been caused by expectations in other growing foreign economies.     

Who are the members of the international club?

This article proposes pragmatic methods that incorporate recent contributions to public good theory to identify the members of the international club and how they select new members. This article also suggests simple applications to the recent problems in international clubs such as the euro and NATO.     

The net effect of advice on strategy-proof mechanisms: an experiment for the Vickrey auction

Experimental Economics - We conduct laboratory experiments for the multi-unit Vickrey auction with and without advice to subjects on strategy-proofness. The rate of truth-telling among the subjects...