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Articles 61 - 74 of 74
Full-Text Articles in Social and Behavioral Sciences
Testing Conditional Uncorrelatedness, Liangjun Su, Aman Ullah
Testing Conditional Uncorrelatedness, Liangjun Su, Aman Ullah
Research Collection School Of Economics
We propose a nonparametric test for conditional uncorrelatedness in multiple-equation models such as seemingly unrelated regressions (SURs), multivariate volatility models, and vector autoregressions (VARs). Under the null hypothesis of conditional uncorrelatedness, the test statistic converges to the standard normal distribution asymptotically. We also study the local power property of the test. Simulation shows that the test behaves quite well in finite samples.
Misaligned Incentives And Mortgage Lending In Asia, Richard Green, Roberto S. Mariano, Andrey Pavlov, Susan Wachter
Misaligned Incentives And Mortgage Lending In Asia, Richard Green, Roberto S. Mariano, Andrey Pavlov, Susan Wachter
Research Collection School Of Economics
This paper provides a conceptual basis for the price discovery potential for tradable market instruments and specifically the development of mortgage securitization in Asia and the potential dangers of such markets. Nonetheless we argue for the potential importance of securitization in Asia because of its possible role in increasing transparency of the financial sector of Asian economies. We put forth a model explaining how misaligned incentives can lead to bank generated real estate crashes and macroeconomic instability, with or without securitization under certain circumstances. We examine the banking sector’s performance in Asia compared to securitized real estate returns, to provide …
Can Liquidity Shifts Explain The Lockup Expiration Effect In Stock Returns?, Chandrasekhar Krishnamurti, Avanidhar Subrahmanyam, Tiong Yang Thong
Can Liquidity Shifts Explain The Lockup Expiration Effect In Stock Returns?, Chandrasekhar Krishnamurti, Avanidhar Subrahmanyam, Tiong Yang Thong
Research Collection Lee Kong Chian School Of Business
Several studies on the expiration of IPO lockups document a strong negative reaction even though the unlock event is devoid of any informational content. The empirical finding has remained a conundrum. In this paper, we find that changes in liquidity can account for the observed stock price reaction around lockup expiration. Specifically, firms which show improvement in liquidity subsequent to the unlock day experience positive abnormal returns in the post-expiration period, and vice versa. Another interesting conclusion that emerges from our research is that liquidity changes can predict future abnormal returns. Our results remain robust to the use of alternate …
Analyzing And Forecasting Business Cycles In A Small Open Economy: A Dynamic Factor Model For Singapore, Hwee Kwan Chow, Keen Meng Choy
Analyzing And Forecasting Business Cycles In A Small Open Economy: A Dynamic Factor Model For Singapore, Hwee Kwan Chow, Keen Meng Choy
Research Collection School Of Economics
A dynamic factor model is applied to a large panel dataset of Singapore’s macroeconomic variables and global economic indicators with the initial objective of analyzing business cycles in a small open economy. The empirical results suggest that four common factors are present in the quarterly time series, which can broadly be interpreted as world, regional, electronics and domestic economic cycles. The estimated factor model explains well the observed fluctuations in real economic activity and price inflation, leading us to use it in forecasting Singapore’s business cycles. We find that the forecasts generated by the factors are generally more accurate than …
Social Enterprise: A Moral Framework For Leadership And Excellence?, Kevin Teo, Leng Leroy Lim
Social Enterprise: A Moral Framework For Leadership And Excellence?, Kevin Teo, Leng Leroy Lim
Social Space
We are in the midst of a global socio-economic transition and the way we think about the economy is changing. Here, Kevin Teo and Leng Leroy Lim trace the ideas and movements that have shaped beliefs about economics, business, and leadership, then challenge these assumptions to advance a new moral ethos for a new age.
Semiparametric Cointegrating Rank Selection, Xu Cheng, Peter C. B. Phillips
Semiparametric Cointegrating Rank Selection, Xu Cheng, Peter C. B. Phillips
Research Collection School Of Economics
Some convenient limit properties of usual information criteria are given for cointegrating rank selection. Allowing for a non-parametric short memory component and using a reduced rank regression with only a single lag, standard information criteria are shown to be weakly consistent in the choice of cointegrating rank provided the penalty coefficient C(n) -> infinity and C(n)/n -> 0 as n -> 8. The limit distribution of the AIC criterion, which is inconsistent, is also obtained. The analysis provides a general limit theory for semiparametric reduced rank regression under weakly dependent errors. The method does not require the specification of a …
A Robust Lm Test For Spatial Error Components, Zhenlin Yang
A Robust Lm Test For Spatial Error Components, Zhenlin Yang
Research Collection School Of Economics
This paper presents a modified LM test of spatial error components, which is shown to be robust against distributional misspecifications and spatial layouts. The proposed test differs from the LM test of Anselin (2001) by a term in the denominators of the test statistics. This term disappears when either the errors are normal, or the variance of the diagonal elements of the product of spatial weights matrix and its transpose is zero or approaches to zero as sample size goes large. When neither is true, as is often the case in practice, the effect of this term can be significant …
Keeping Dictators Honest: The Role Of Population, Quoc-Anh Do, Filipe R. Campante
Keeping Dictators Honest: The Role Of Population, Quoc-Anh Do, Filipe R. Campante
Research Collection School Of Economics
In order to explain the apparently paradoxical presence of acceptable governance in many non-democratic regimes, economists and political scientists have focused mostly on institutions acting as de facto checks and balances. In this paper, we propose that population plays a similar role in guaranteeing the quality of governance and redistribution. We argue and demonstrate with historical evidence that the concentration of population around the policy making center serves as an insurgency threat to a dictatorship, inducing it to yield to more redistribution and better governance. We bring this centered concept of population concentration to the data through the Centered Index …
A Centered Index Of Spatial Concentration: Axiomatic Approach With An Application To Population And Capital Cities, Filipe R. Campante, Quoc-Anh Do
A Centered Index Of Spatial Concentration: Axiomatic Approach With An Application To Population And Capital Cities, Filipe R. Campante, Quoc-Anh Do
Research Collection School Of Economics
We construct an axiomatic index of spatial concentration around a center or capital point of interest, a concept with wide applicability from urban economics, economic geography and trade, to political economy and industrial organization. We propose basic axioms (decomposability and monotonicity) and refinement axioms (order preservation, convexity, and local monotonicity) for how the index should respond to changes in the underlying distribution. We obtain a unique class of functions satisfying all these properties, defined over any n-dimensional Euclidian space: the sum of a decreasing, isoelastic function of individual distances to the capital point of interest, with specific boundaries for the …
Instability And The Incentives For Corruption, Filipe R. Campante, Davin Chor, Quoc-Anh Do
Instability And The Incentives For Corruption, Filipe R. Campante, Davin Chor, Quoc-Anh Do
Research Collection School Of Economics
We investigate the relationship between corruption and political stability, from both theoretical and empirical perspectives. We propose a model of incumbent behavior that features the interplay of two effects: a horizon effect, whereby greater instability leads the incumbent to embezzle more during his short window of opportunity, and a demand effect, by which the private sector is more willing to bribe stable incumbents. The horizon effect dominates at low levels of stability, because firms are unwilling to pay high bribes and unstable incumbents have strong incentives to embezzle, whereas the demand effect gains salience in more stable regimes. Together, these …
Extreme Neo-Liberalism: An Introduction, Stefano Harney
Extreme Neo-Liberalism: An Introduction, Stefano Harney
Research Collection Lee Kong Chian School Of Business
During the Historical Materialism Conference (2009), Stefano Harney gave a talk within an ephemerasession on ‘Politics in the Business School’ which we organised in preparation for this special issue. Thispiece offers a full transcription of that talk and is prefaced here by some introductory remarks fromStefano. The question and answer session which followed the talk has also been made available online asan audio file. Special thanks are due to Demet Dimler for inviting ephemera to organise a session atHistorical Materialism, to Matteo Mandarini for chairing the session, to Tim Edkins for recording thesession and to Alison Shalaby for transcribing the …
Semiparametric Prevalence Estimation From A Two-Phase Survey, Denis H. Y. Leung, J Qin
Semiparametric Prevalence Estimation From A Two-Phase Survey, Denis H. Y. Leung, J Qin
Research Collection School Of Economics
This paper studies a semi-parametric method for estimating the prevalence of a binary outcome using a two-phase survey. The motivation for a two-phase survey is, due to time, money and ethical considerations, it is impossible to carry out comprehensive evaluation on all subjects in a large random sample of the population. Rather, a relatively inexpensive "screening test" is given to all subjects in the random sample and only individuals more likely to have a positive outcome (cases) will be selected for a further "gold standard" test to verify the outcome. Therefore, individuals with verified outcome form a non-random sample from …
What Do We Expect From Our Friends?, Stephen Leider, Markus M. Mobius, Tanya S. Rosenblat, Quoc-Anh Do
What Do We Expect From Our Friends?, Stephen Leider, Markus M. Mobius, Tanya S. Rosenblat, Quoc-Anh Do
Research Collection School Of Economics
We conduct a field experiment in a large real-world social network to examine how subjects expect to be treated by their friends and by strangers who make allocation decisions in modified dictator games. While recipients’ beliefs accurately account for the extent to which friends will choose more generous allocations than strangers (i.e. directed altruism), recipients are not able to anticipate individual differences in the baseline altruism of allocators (measured by giving to an unnamed recipient, which is predictive of generosity towards named recipients). Recipients who are direct friends with the allocator, or even recipients with many common friends, are no …
Asymptotics And Bootstrap For Transformed Panel Data Regressions, Liangjun Su, Zhenlin Yang
Asymptotics And Bootstrap For Transformed Panel Data Regressions, Liangjun Su, Zhenlin Yang
Research Collection School Of Economics
This paper investigates the asymptotic properties of quasi-maximum likelihood estimators for transformed random effects models where both the response and (some of) the covariates are subject to transformations for inducing normality, flexible functional form, homoscedasticity, and simple model structure. We develop a quasi maximum likelihood-type procedure for model estimation and inference. We prove the consistency and asymptotic normality of the parameter estimates, and propose a simple bootstrap procedure that leads to a robust estimate of the variance-covariance matrix. Monte Carlo results reveal that these estimates perform well in finite samples, and that the gains by using bootstrap procedure for inference …