DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND How much diversification potential is there in a single market? Evidence from the Australian Stock Exchange

DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND An Examination of Frank Wolak’s Model of Market Power and its Application to the New Zealand Electricity Market

We appraise the theoretical basis and the consequent empirical work of Frank Wolak in his study of the New Zealand Electricity Market in a report to the New Zealand Commerce Commission released in March 2009. The report found no multilateral actions, but concluded there was evidence of unilateral market power. We find that the theoretical and empirical methodologies employed to reach this posit...

DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND Buybacks versus Ordinary Dividends: Marginal Investor Reactions to Cash-return Announcements

This paper examines the stock price effect in New Zealand of announcements of increases in dividends and of share repurchases from 1993 to 2009. The results are related to the soft substitution hypothesis on Australian data. Dividend-increase announcements provoke a greater positive effect on the stock price than buyback announcements. The preference of the marginal investor is also examined wh...

DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND Estimating the Leverage Parameter of Continuous-time Stochastic Volatility Models Using High Frequency S&P 500 and VIX

DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND Structure and Asymptotic Theory for Nonlinear Models with GARCH Errors

Nonlinear time series models, especially those with regime-switching and conditionally heteroskedastic errors, have become increasingly popular in the economics and finance literature. However, much of the research has concentrated on the empirical applications of various models, with little theoretical or statistical ∗This paper circulated previously as “Structure and Asymptotic Theory for STA...

DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND Hedge Fund Portfolio Diversification Strategies Across the GFC

This paper features an analysis of the effectiveness of a range of portfolio diversification strategies as applied to a set of 17 years of monthly hedge fund index returns on a set of ten market indices representing 13 major hedge fund categories, as compiled by the EDHEC Risk Institute. The 17-year period runs from the beginning of 1997 to the end of August 2014. The sample period, which incor...