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A Monetary Union In East Asia: What Does The Common Cycles Approach Tell?, K Sato, David E. Allen, Zhaoyong Zhang May 2014

A Monetary Union In East Asia: What Does The Common Cycles Approach Tell?, K Sato, David E. Allen, Zhaoyong Zhang

Zhaoyong Zhang

There is controversy about whether a monetary union is feasible in the East Asian region. Amongst the criteria for establishing a monetary union, most of the existing studies focus on the symmetric issue of fundamental shocks and the extent of correlations by applying the Blanchard and Quah (1989) structural vector autoregression (VAR) technique, which includes the firstdifferenced variables in the model and examines only bilateral relationships. When forming a monetary union, the member countries need to renounce their monetary policy autonomy. If shocks to respective economies are symmetric, the cost of relinquishing the discretionary monetary policy is likely to be …


East Asian Financial Crisis Revisited: What Does A Copula Tell?, Pei Fei, Albert Tsui, Zhaoyong Zhang May 2014

East Asian Financial Crisis Revisited: What Does A Copula Tell?, Pei Fei, Albert Tsui, Zhaoyong Zhang

Zhaoyong Zhang

We construct a regime-switching model of copulas to capture observed asymmetric dependence in daily changes of exchange rates in five selected East Asian economies during the 1997 financial crisis era. In particular, we investigate the effects of the financial crisis on asymmetric dependence in exchange rates returns and assess the asymmetric relationships between five currencies, including the Singapore Dollar, Japanese Yen, South Korea Won, Thailand Baht and Indonesia Rupiah. Various time-varying copula models will also be applied to examine the possible structural breaks. The results confirm significant changes at the dependence level, tail behaviour and asymmetry structures between returns of …


Modeling Information Linkages In The Stock And Options Markets, K Ho, L Zheng, Zhaoyong Zhang May 2014

Modeling Information Linkages In The Stock And Options Markets, K Ho, L Zheng, Zhaoyong Zhang

Zhaoyong Zhang

When markets are assumed to be complete, option trading should not contain new information for market participants, as options derive their prices from the underlying stocks. However, if markets are incomplete, then this unidirectional relationship may not be true, because informed traders may prefer to trade options instead of the underlying stocks for several reasons: one, option trading involves lower transaction costs and higher financial leverage; and two, investors who have private information about stock price volatility can only make their bet on volatility in the option market. Compared with the research on the relationship between options trading activity and …


Modeling The Fractional Integration In Volatility Between The Greater China Financial Markets, K. Ho, Zhaoyong Zhang May 2014

Modeling The Fractional Integration In Volatility Between The Greater China Financial Markets, K. Ho, Zhaoyong Zhang

Zhaoyong Zhang

The dynamics of the interrelationships among the financial markets in the Greater China area including Mainland China, Taiwan, and Hong Kong, is a noteworthy issue of economic research. This is not only because the financial markets in this region have grown rapidly over the past decade, but also because of the arguably asymmetric integration of the emerging Chinese economy with advanced countries in the real side of the economy and tight control over financial market. Since its establishment in the early 1990s, the Mainland Chinese stock market has expanded rapidly in terms of capitalization, turnover, and the new listings. Even …