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Articles 151 - 170 of 170
Full-Text Articles in Behavioral Economics
Future Targets And Multiple Equilibria, Ashok S. Guha, Brishti Guha
Future Targets And Multiple Equilibria, Ashok S. Guha, Brishti Guha
Research Collection School Of Economics
Multiple Pareto-rankable equilibria may obtain in an overlapping generations model where consumers save to reach a fixed target. Existence and uniqueness conditions are discussed. The model displays excess consumption sensitivity to current income and perfect old-age insurance.
The Case Of The Errant Executive: Management, Control And Firm Size In Corporate Cheating, Brishti Guha
The Case Of The Errant Executive: Management, Control And Firm Size In Corporate Cheating, Brishti Guha
Research Collection School Of Economics
Firm insiders – a manager and a board – face moral hazard in relation to their outside shareholders in a repeated game with asymmetric information and stochastic market outcomes. The manager determines whether or not outsiders are cheated; the board, whose objectives differ from those of outside shareholders, attempts to control the manager through compensation contracts and dismissal threats Since compensation determines the manager’s incentive to cheat, firms competing for outside capital publicly announce their managerial contracts. However, secret renegotiation between firm and manager is still possible: so outsiders guard against being cheated by limiting their total stake in any …
Honesty And Intermediation: Corporate Cheating, Auditor Involvement And The Implications For Development, Brishti Guha
Honesty And Intermediation: Corporate Cheating, Auditor Involvement And The Implications For Development, Brishti Guha
Research Collection School Of Economics
We examine self-enforcing honesty in firm-investor relations in an imperfect public information game. Minimum firm size requirements and moral hazard limit ability to raise outside capital, yielding a floor on personal wealth required to enter entrepreneurship. Credible auditing could create efficiency gains. We propose mandatory disclosure of audit fees and an interpretation of international differences in shareholding patterns. We endogenize auditor-firm collusion and extortion by auditors. We embed our game-theoretic analysis in a general equilibrium model to generate unique equilibria that trace the impact of the distribution of wealth on the existence of the market and consequences for development.
The Auditor And The Firm: A Simple Model Of Corporate Cheating And Intermediation, Brishti Guha
The Auditor And The Firm: A Simple Model Of Corporate Cheating And Intermediation, Brishti Guha
Research Collection School Of Economics
We apply a game-theoretic model to the analysis of the recent spate of corporate scandals in which firms have cheated their investors, often with the aid of external auditors. We characterize the different types of equilibria that obtain for different parameter ranges in an auditor’s absence (the parameters we consider being early signal accuracy – a measure of transparency – and withdrawal costs – a measure of the liquidity of investments). We also analyze whether and under what conditions the presence of an informed auditor could lead to an improvement in the sense of honest behavior replacing cheating as the …
Games Suppliers And Producers Play: Upstream And Downstream Moral Hazard With Unverifiable Input Quality, Brishti Guha
Games Suppliers And Producers Play: Upstream And Downstream Moral Hazard With Unverifiable Input Quality, Brishti Guha
Research Collection School Of Economics
We pin down the optimal relational contract between an input supplier and a final goods producer given a framework of bilateral moral hazard with variable but non-verifiable input quality. Given the inability of third parties to verify input quality, each party has an incentive to cheat the other by making a false claim about input quality. We derive the contract which (a) induces honest behavior and brings about the Pareto superior first-best outcome for the widest possible range of exogenous parameters, and (b) maximizes the Nash product of both parties’ payoffs subject to incentive compatibility. An interesting feature of the …
Optimal Sequential Decision Architectures And The Robustness Of Hierarchies And Polyarchies, Winston T. H. Koh
Optimal Sequential Decision Architectures And The Robustness Of Hierarchies And Polyarchies, Winston T. H. Koh
Research Collection School Of Economics
This paper studies collective decision making in the context of a project selection model. We derive the optimal decision architecture in the presence of marginal decision costs, and investigate the circumstances under which the hierarchy and polyarchy emerge as optimal sequential architectures. Our analysis extends previous results on optimal organizational decision-making to a sequential setting, and further demonstrates the fragility of the hierarchy and polyarchy as optimal architectures.
Corruption Across Countries And Regions: Some Consequences Of Local Osmosis, Raaj Sah
Corruption Across Countries And Regions: Some Consequences Of Local Osmosis, Raaj Sah
Research Collection School Of Economics
Large and persistent differences in corruption across comparable countries is a challenging research issue. Even more intriguing are such differences across regions within the same country, because the typically considered socioeconomic and governance characteristics are generally more similar across such regions than across different countries. This paper's principal theme is that individuals’ perceptions of their environments are influenced by the realities that they have faced in the past; these perceptions affect their current and future actions; which in turn influence the current and future realities. An articulation and analysis of these dynamics yields significant observations concerning individuals’ behavior and societal …
Household Demand, Network Externality Effects And Intertemporal Price Discrimination, Winston T. H. Koh
Household Demand, Network Externality Effects And Intertemporal Price Discrimination, Winston T. H. Koh
Research Collection School Of Economics
This paper examines the optimality of intertemporal price discrimination when network externality effects are present in the consumption of a durable good. We conduct our study in two settings. In a model with two household types, utilities are dependent on the cumulative proportion of households that have purchased the durable good. Next, in a model with a continuum of household types, we extend the analysis to the case where households consume both a durable good and a stream of non-durable goods. We show that in both settings, the presence of network externalities facilitates a sales strategy with intertemporal price discrimination.
Household Demand, Network Externality Effects And Intertemporal Price Discrimination, Winston T. H. Koh
Household Demand, Network Externality Effects And Intertemporal Price Discrimination, Winston T. H. Koh
Research Collection School Of Economics
This paper examines the optimality of intertemporal price discrimination when network externality effects are present in the consumption of a durable good. We conduct our study in two settings. In a model with two household types, utilities are dependent on the cumulative proportion of households that have purchased the durable good. Next, in a model with a continuum of household types, we extend the analysis to the case where households consume both a durable good and a stream of non-durable goods. We show that in both settings, the presence of network externalities facilitates a sales strategy with intertemporal price discrimination. …
Expectations Formation And Forecasting Of Vehicle Demand: An Empirical Study Of The Vehicle Quota Auctions In Singapore, Sing-Fat Chu, Winston T. H. Koh, Yiu Kuen Tse
Expectations Formation And Forecasting Of Vehicle Demand: An Empirical Study Of The Vehicle Quota Auctions In Singapore, Sing-Fat Chu, Winston T. H. Koh, Yiu Kuen Tse
Research Collection School Of Economics
This paper studies expectations formation and forecasting of vehicle demand in Singapore under the vehicle quota system. Under the system, a car buyer must first bid for a vehicle license in monthly auctions in order to purchase a new car. We construct an econometric model to test the hypothesis that past bid distributions of the license auctions contain information that car buyers can use to update their expectations about the intensity of market demand, forecast license premiums and formulate their bidding strategies in future auctions. Our empirical analysis indicates that past bid distributions have a good degree of predictive power …
Expectations Formation And Forecasting Of Vehicle Demand: An Empirical Study Of The Vehicle Quota Auctions In Singapore, Sing-Fat Chu, Winston T. H. Koh, Yiu Kuen Tse
Expectations Formation And Forecasting Of Vehicle Demand: An Empirical Study Of The Vehicle Quota Auctions In Singapore, Sing-Fat Chu, Winston T. H. Koh, Yiu Kuen Tse
Research Collection School Of Economics
This paper studies the expectations formation and forecasting of vehicle demand in Singapore under the vehicle quota system. Under the system, a car buyer must first bid for a vehicle license in monthly auctions in order to purchase a new car. We construct an econometric model to test the hypothesis that past bid distributions of the license auctions contain information that car buyers can use to update their expectations about the intensity of market demand, forecast the license premiums and formulate their bidding strategies in future auctions. Our empirical analysis indicates that past bid distributions have a good degree of …
Social Trust And Economic Governance, Fali Huang
Social Trust And Economic Governance, Fali Huang
Research Collection School Of Economics
The paper investigates the dynamic relationship between social trust and economic governance using a principal-agent model with stochastic returns. To mitigate the inherent moral hazard problem both intrinsic and extrinsic incentives are useful. The cooperative tendency of an agent measures his intrinsic discipline against shirking, the distribution of which characterizes social trust in society. The economic governance methods include direct monitoring and efficiency wage. The main results are the following. An agent with a higher cooperative tendency needs less monitoring and a lower wage to make effort, which brings higher profit for the principal. But competition among principals for more …
Social Trust, Cooperation, And Human Capital, Fali Huang
Social Trust, Cooperation, And Human Capital, Fali Huang
Research Collection School Of Economics
The importance of social trust on economic growth has been suggested by many empirical works. This paper formalizes the concept of social trust and studies its formation process in a game theoretic setting. It provides plausible explanations for a wide range of empirical and experimental findings. The main results of the paper are as follows. For utility-maximizing players, cooperation arises in one-period prisoner’s dilemmas if and only if there is social trust. The amount of social trust in a given game is determined by the distribution of players’ cooperative tendency. Cooperative tendency is in essence a component of human capital …
Congestion Control And Vehicle Ownership Restriction: The Choice Of An Optimal Quota Policy, Winston T. H. Koh
Congestion Control And Vehicle Ownership Restriction: The Choice Of An Optimal Quota Policy, Winston T. H. Koh
Research Collection School Of Economics
Singapore introduced a vehicle quota system (VQS) in 1990 as part of its overall policy to control urban congestion. While the VQS has reduced the annual growth rate of the vehicle population to about 3 per cent, it has created uncertainty in the cost of vehicle ownership due to the fluctuations in licence prices. This paper discusses three issues relating to the optimal design of a VQS: licence transferability, sub-categorisation, and the choice of an auction format. The analysis shows that licence transferability is not unambiguously desirable, sub-categorisation is highly regressive, and an open auction format results in less aggressive …
Open Versus Sealed-Bid Auctions: Testing For Revenue Equivalence Under Singapore's Vehicle Quota System, Winston T. H. Koh, Roberto S. Mariano, Yiu Kuen Tse
Open Versus Sealed-Bid Auctions: Testing For Revenue Equivalence Under Singapore's Vehicle Quota System, Winston T. H. Koh, Roberto S. Mariano, Yiu Kuen Tse
Research Collection School Of Economics
Using data from the auction of vehicle quota licenses in Singapore, we study if revenue equivalence holds when the auction format was switched from a sealed-bid format (May 1990 to June 2001) to an open bidding format since July 2001. Our econometric analysis indicates the change in auction format led to a change in bidding behavior. On average, the quota license premium under the open bidding format is about US$1,000 (about 7.5% of the Category E license price in June 2001) lower, compared to the forecast level that would have prevailed if there had been no change in the auction …
The Shapley-Shubik Index, The Donation Paradox And Ternary Games, Vincent C. H. Chua, H. C. Huang
The Shapley-Shubik Index, The Donation Paradox And Ternary Games, Vincent C. H. Chua, H. C. Huang
Research Collection School Of Economics
In this paper, we show that although the Shapley-Shubik index is immune to the donation paradox in weighted binary games, extension of the index to ternary games along the direction suggested in Felsenthal and Machover (1996, 1997) will cause it to be vulnerable to the paradox and this is the case as long as the number of players in the game exceeds three. This undermines the attractiveness of the Shapley-Shubik index as a measure of a priori voting power.
The General Dominance Of Lottery Over Waiting-Line Auction, Winston T. H. Koh, Zhenlin Yang, Lijing Zhu
The General Dominance Of Lottery Over Waiting-Line Auction, Winston T. H. Koh, Zhenlin Yang, Lijing Zhu
Research Collection School Of Economics
This paper examines the allocative efficiency of two popular non-price allocation mechanisms — the lottery (random allocation) and the waiting-line auction (queue system) — for the cases where consumers possess identical time costs (the homogeneous case), and where time costs are correlated with time valuations (the heterogeneous case). We show that the relative efficiency of the two mechanisms depends critically on the scarcity factor (measured by the ratio of the number of objects available for allocation over the number of participants) and on the shape of the distribution of valuations. We obtain a set of analytical results showing that the …
Optimal Organizational Design In A Dichotomous-Choice Project Selection Model, Winston T. H. Koh
Optimal Organizational Design In A Dichotomous-Choice Project Selection Model, Winston T. H. Koh
Research Collection School Of Economics
This paper studies collective decision making in the context of a project selection model. We derive the optimal decision architecture when marginal decision costs are present, and investigate the circumstances under which the hierarchy and polyarchy exist as optimal sequential architectures. Our analysis extends previous results on optimal committee decision-making to a sequential setting, and further demonstrates the fragility of the hierarchy and polyarchy as optimal architectures.
How Does Spousal Education Matter? Some Evidence From Cambodia, Tomoki Fujii, Sophal Ear
How Does Spousal Education Matter? Some Evidence From Cambodia, Tomoki Fujii, Sophal Ear
Research Collection School Of Economics
An econometric analysis of the World Food Programme Civil Insecurity Baseline Survey (1998) and Cambodia Socio-Economic Survey (1999) data is undertaken to examine the role of education and literacy in explaining household expenditure, as hypothesized in human capital theory where education is an investment with returns in the form of income. Explanatory variables were selected from a large set of observed variables by a systematic procedure to avoid the bias arising from arbitrary model selection. Spousal education and literacy are found to be significant explanatory variables in the determination of household expenditure, exceeding even the coefficients attached to the head …
Mapping The Discipline Of The Olympic Games: An Author Cocitation Analysis, Peter Warning, Rosie Ching, Kristine Toohey
Mapping The Discipline Of The Olympic Games: An Author Cocitation Analysis, Peter Warning, Rosie Ching, Kristine Toohey
Research Collection School Of Economics
The authors conducted an author cocitation analysis on prominent authors writing about the Olympics during the 1990s. Author cocitation is an established bibliometric technique that can be used to measure the relative similarities of topics written about by the cited authors. This enables a visual representation of the “intellectual space” of the discipline, in this case the Olympics, to be created for the period under review. So core and peripheral research areas are identified, along with their major contributors. The representation appears as a two-dimensional cluster-enhanced map. Subject expertise was then applied to the results to place labels on the …