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Ng, Y. K. (2000), ‘The Optimal Size of Public Spending and the Distortionary Cost of Taxation', National Tax Journal, 53, 253-272.
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Ng, Y. K. (1999), ‘Utility, Informed Preference or Happiness: Following Harsanyi's Argument to its Logical Conclusion', Social Choice and Welfare 16, 197-216.
Ng, Y. K. (1997), ‘A Case for Happiness, Cardinalism, and Interpersonal Comparability', Economic Journal, 107, 1848-1858.
Ng, Y. K. (1995), ‘Towards welfare biology: Evolutionary economics of animal consciousness and suffering, Biology & Philosophy, 10, 255-285.
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Ng, Y. K. (1982), ‘A Micro-Macroeconomic Analysis Based on a Representative Firm', Economica, 49, 121-139.
Ng, Y. K. (1975), ‘Bentham or Bergson? Finite Sensibility, Utility Functions and Social Welfare Functions', Review of Economic Studies, 42, 545-570.