Ivan P. L. Png publications per year

The chart shows the history of publications by Ivan P. L. Png between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ivan P. L. Png published across 43 years, from 1983 to 2025, averaging 3.5 papers a year. Output peaked at 18 publications in 2022. 12 of the 149 publications appeared in the last two years.

No. of publications

5 10 15

1983 2025

149 publications in total across all disciplines

View publications per year as a table

Ivan P. L. Png: publications per year, 1983 to 2025
Year	Publications
1983	1
1984	0
1985	0
1986	1
1987	2
1988	0
1989	4
1990	2
1991	2
1992	2
1993	0
1994	3
1995	3
1996	0
1997	1
1998	1
1999	4
2000	1
2001	1
2002	3
2003	5
2004	11
2005	4
2006	3
2007	4
2008	6
2009	3
2010	4
2011	3
2012	2
2013	1
2014	0
2015	3
2016	5
2017	2
2018	4
2019	3
2020	8
2021	8
2022	18
2023	9
2024	7
2025	5
Total	149

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Ivan P. L. Png publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Ivan P. L. Png sits on this spectrum.

No. of scientists

100 200 300 400

44–53 publications 570+

This scientist: 118 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table

Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications	Scientists	This scientist
44–53	28
54–63	61
64–73	161
74–83	225
84–93	301
94–103	390
104–113	406
114–123	474	118
124–133	453
134–143	434
144–153	407
154–163	411
164–173	391
174–183	313
184–193	319
194–203	304
204–213	285
214–223	246
224–233	213
234–243	170
244–253	167
254–263	162
264–273	138
274–283	138
284–293	113
294–303	106
304–313	95
314–323	101
324–333	81
334–343	69
344–353	56
354–363	36
364–373	42
374–383	41
384–393	44
394–403	27
404–413	30
414–423	20
424–433	29
434–443	29
444–453	25
454–463	19
464–473	21
474–483	11
484–493	17
494–503	7
504–513	6
514–523	12
524–533	10
534–543	7
544–553	6
554–563	12
564–569	8
570+	100

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Ivan P. L. Png D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Ivan P. L. Png sits on this spectrum.

No. of scientists

100 200 300

30 D-Index 100+

This scientist: 38 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table

Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index	Scientists	This scientist
30	177
31	210
32	222
33	188
34	181
35	243
36	261
37	272
38	278	38
39	300
40	297
41	308
42	313
43	300
44	269
45	260
46	228
47	251
48	203
49	186
50	187
51	166
52	138
53	141
54	131
55	137
56	109
57	129
58	95
59	105
60	106
61	86
62	94
63	77
64	79
65	59
66	68
67	51
68	49
69	40
70	43
71	40
72	50
73	46
74	43
75	45
76	45
77	30
78	25
79	31
80	29
81	18
82	21
83	26
84	15
85	15
86	19
87	19
88	12
89	7
90	19
91	20
92	13
93	9
94	13
95	8
96	7
97	6
98	6
99	6
100+	97

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Overview

Ivan P. L. Png is affiliated with the National University of Singapore in Singapore. Their scholarly work spans multiple fields of study, predominantly Economics and Econometrics, Transportation, Sociology and Political Science, Management of Technology and Innovation, and Marketing.

Their research explores several core topics, including Intellectual Property and Patents, Innovation Policy and R&D, Transportation and Mobility Innovations, Consumer Retail Behavior Studies, Employment and Welfare Studies, Transportation Planning and Optimization, and Urban Transport and Accessibility.

Recent publications by Ivan P. L. Png include the following:

"Early-life exposure to hardship increased risk tolerance and entrepreneurship in adulthood with gender differences" (2022), published in Proceedings of the National Academy of Sciences
"Editor's Choice - Decrease in Mortality from Abdominal Aortic Aneurysms (2001 to 2015): Is it Decreasing Even Faster?" (2021), published in European Journal of Vascular and Endovascular Surgery
"When stronger patent law reduces patenting: Empirical evidence" (2022), published in Strategic Management Journal
"Temperature, precipitation and sunshine across China, 1912-51: A new daily instrumental dataset" (2020), published in Geoscience Data Journal
"Automation Enables Specialization: Field Evidence" (2023), published in Management Science

Ivan P. L. Png frequently collaborates with several co-authors, notably Junhong Chu, Yehning Chen, Yun Hou, Yikang Feng, and Xi Xiong.

Their work has been published in a variety of venues, with multiple contributions to Harvard Dataverse, SSRN Electronic Journal, and Zenodo (CERN European Organization for Nuclear Research). Additional publications appear in AEA Randomized Controlled Trials and Strategic Management Journal.

Best Publications

Optimal Auditing, Insurance, and Redistribution

Dilip Mookherjee;Ivan Png

832
Citations
Corruptible Law Enforcers: How Should They Be Compensated?

Dilip Mookherjee;I. P. L. Png

759
Citations
Manufacturer's Return Policies and Retail Competition

V. Padmanabhan;I. P. L. Png

739
Citations
Market segmentation, cannibalization, and the timing of product introductions

K. Sridhar Moorthy;I. P. L. Png

704
Citations
Analyzing Online Information Privacy Concerns: An Information Processing Theory Approach

I.H. Hann;Kai-Lung Hui;Sang-Yong Tom Lee;I.P.L. Png

580
Citations
Piracy and the Legitimate Demand for Recorded Music

Kai Lung Hui;Ivan P.L. Png

355
Citations
Returns Policies: Make Money by Making Good

V. Padmanabhan;I. P. L. Png

354
Citations
Strategic Behavior in Suit, Settlement, and Trial

I. P. L. P'ng

341
Citations
Law and Innovation: Evidence from State Trade Secrets Laws

Ipl Png

327
Citations
ONLINE INFORMATION PRIVACY: MEASURING THE COST-BENEFIT TRADE-OFF

Il-Horn Hann;Kai-Lung Hui;Tom S. Lee;I. P. L. Png

320
Citations
Patent Rights and Economic Growth: Evidence from Cross-Country Panels of Manufacturing Industries

Albert G.Z. Hu;I.P.L. Png

279
Citations
Monitoring vis-a-vis Investigation in Enforcement of Law

Dilip Mookherjee;I P L Png

273
Citations
Information Goods Pricing and Copyright Enforcement: Welfare Analysis

Yeh-ning Chen;Ivan Png

272
Citations
Optimal subsidies and damages in the presence of judicial error

I.P.L. Png

272
Citations
Dimensions of national culture and corporate adoption of IT infrastructure

I.P.L. Png;B.C.Y. Tan;Khai-Ling Wee

267
Citations
Marginal Deterrence in Enforcement of Law

Dilip Mookherjee;I. P. L. Png

236
Citations
Price Discrimination Through Offers to Match Price

I. P. L. Png;D. Hirshleifer

215
Citations
Facilitation of Competing Bids and the Price of a Takeover Target

David Hirshleifer;I. P. L. Png

195
Citations
Engineer/scientist careers: Patents, online profiles, and misclassification bias

Chunmian Ge;Ke-Wei Huang;Ivan P. L. Png

174
Citations
Economics of Privacy

Kai Lung Hui;Ivan P.L. Png

158
Citations

Frequent Co-Authors

Dilip Mookherjee Boston University

David A. Hirshleifer University of Southern California

Lucian Arye Bebchuk Harvard University

Zhigang Tao Cheung Kong Graduate School of Business

Sumit Agarwal National University of Singapore

Bernard C. Y. Tan National University of Singapore

External Links

Wikipedia of Ivan P. L. Png Personal website of Ivan P. L. Png Google Scholar page

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