Author Page for Tommaso Porzio

Startups In Africa

Number of pages: 108 Posted: 02 Jun 2026

Emanuele Colonnelli, Marcio Cruz, Mariana De La Paz Pereira Lopez, Tommaso Porzio and Chun Zhao

University of Chicago - Booth School of Business, International Finance Corporations (IFC), World Bank, Columbia University - Columbia Business School, Economics and Stanford University

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Startups in Africa

University of Chicago, Becker Friedman Institute for Economics Working Paper No. 2026-77, HKU Jockey Club Enterprise Sustainability Global Research Institute Paper No. 2026/139

Number of pages: 109 Posted: 08 Jun 2026

Emanuele Colonnelli, Marcio Cruz, Mariana De La Paz Pereira Lopez, Tommaso Porzio and Chun Zhao

University of Chicago - Booth School of Business, International Finance Corporations (IFC), World Bank, Columbia University - Columbia Business School, Economics and Stanford University

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Startups in Africa

NBER Working Paper No. w35261

Number of pages: 109 Posted: 03 Jun 2026

Emanuele Colonnelli, Marcio Cruz, Mariana De La Paz Pereira Lopez, Tommaso Porzio and Chun Zhao

University of Chicago - Booth School of Business, International Finance Corporations (IFC), World Bank, Columbia University - Columbia Business School, Economics and Stanford University

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Achieving Scale Collectively

Number of pages: 71 Posted: 11 Sep 2020 Last Revised: 09 Jun 2021

Vittorio Bassi, Raffaela Muoio, Tommaso Porzio, Ritwika Sen and Esau Tugume

University of Southern California - Department of Economics, BRAC Uganda, Columbia University - Columbia Business School, Economics, Northwestern University, Department of Managerial Economics and Decision Sciences (MEDS), Students and BRAC Uganda

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Achieving Scale Collectively

NBER Working Paper No. w28928

Number of pages: 72 Posted: 21 Jun 2021 Last Revised: 17 Jul 2023

Vittorio Bassi, Raffaela Muoio, Tommaso Porzio, Ritwika Sen and Esau Tugume

University of Southern California - Department of Economics, BRAC Uganda, Columbia University - Columbia Business School, Economics, Northwestern University, Department of Managerial Economics and Decision Sciences (MEDS), Students and BRAC Uganda

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Achieving Scale Collectively

CEPR Discussion Paper No. DP15134

Number of pages: 75 Posted: 18 Aug 2020

Vittorio Bassi, Raffaela Muoio, Tommaso Porzio, Ritwika Sen and Esau Tugume

University of Southern California - Department of Economics, BRAC Uganda, Columbia University - Columbia Business School, Economics, Northwestern University, Department of Managerial Economics and Decision Sciences (MEDS), Students and BRAC Uganda

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Self-employment within the Firm

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Self-employment within the Firm

Number of pages: 103 Posted: 07 Nov 2023

Vittorio Bassi, Jung Hyuk Lee, Alessandra Peter, Tommaso Porzio, Ritwika Sen and Esau Tugume

University of Southern California - Department of Economics, University of Southern California, New York University (NYU) - New York University, Columbia University - Columbia Business School, Economics, Northwestern University, Department of Managerial Economics and Decision Sciences (MEDS), Students and BRAC Uganda

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Self-Employment Within the Firm

CESifo Working Paper No. 11900

Number of pages: 89 Posted: 21 May 2025

Vittorio Bassi, Jung Hyuk Lee, Alessandra Peter, Tommaso Porzio and Esau Tugume

University of Southern California - Department of Economics, University of Southern California, New York University (NYU) - New York University, Columbia University - Columbia Business School, Economics and BRAC Uganda

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Self-Employment Within the Firm

NBER Working Paper No. w31740

Number of pages: 88 Posted: 02 Oct 2023

Vittorio Bassi, Jung Hyuk Lee, Alessandra Peter, Tommaso Porzio, Ritwika Sen and Esau Tugume

University of Southern California - Department of Economics, University of Southern California, New York University (NYU) - New York University, Columbia University - Columbia Business School, Economics, Northwestern University, Department of Managerial Economics and Decision Sciences (MEDS), Students and BRAC Uganda

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5.

Searching for Customers, Finding Pollution

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Searching for Customers, Finding Pollution

Columbia Business School Research Paper

Number of pages: 90 Posted: 16 Jul 2021 Last Revised: 11 Apr 2023

Vittorio Bassi, Matthew E. Kahn, Nancy Lozano Gracia, Tommaso Porzio and Jeanne Sorin

University of Southern California - Department of Economics, University of Southern California, World Bank, Columbia University - Columbia Business School, Economics and University of Chicago - Department of Economics

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Jobs in the Smog: Firm Location and Workers’ Exposure to Pollution in African Cities

NBER Working Paper No. w30536

Number of pages: 110 Posted: 10 Oct 2022 Last Revised: 09 Jun 2023

Vittorio Bassi, Matthew E. Kahn, Nancy Lozano Gracia, Tommaso Porzio and Jeanne Sorin

University of Southern California - Department of Economics, University of Southern California, World Bank, Columbia University - Columbia Business School, Economics and University of Chicago - Department of Economics

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6.

The Human Side of Structural Transformation

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The Human Side of Structural Transformation

NBER Working Paper No. w29390

Number of pages: 49 Posted: 25 Oct 2021 Last Revised: 22 Apr 2023

Tommaso Porzio, Federico Rossi and Gabriella Santangelo

Columbia University - Columbia Business School, Economics, University of Warwick and University of Cambridge

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Abstract:

The Human Side of Structural Transformation

CEPR Discussion Paper No. DP15110

Number of pages: 92 Posted: 18 Aug 2020

Tommaso Porzio, Federico Rossi and Gabriella Santangelo

Columbia University - Columbia Business School, Economics, University of Warwick and affiliation not provided to SSRN

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Labor Misallocation Across Firms and Regions

NBER Working Paper No. w30298

Number of pages: 53 Posted: 01 Aug 2022 Last Revised: 15 Apr 2023

Sebastian Heise and Tommaso Porzio

Federal Reserve Banks - Federal Reserve Bank of New York and Columbia University - Columbia Business School, Economics

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8.

The Aggregate and Distributional Effects of Spatial Frictions

NBER Working Paper No. w28792

Number of pages: 54 Posted: 17 May 2021 Last Revised: 04 Mar 2023

Sebastian Heise and Tommaso Porzio

Federal Reserve Banks - Federal Reserve Bank of New York and Columbia University - Columbia Business School, Economics

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Abstract:

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Measuring the Valuation of Liquidity with Penalized Withdrawals

NBER Working Paper No. w30007

Number of pages: 72 Posted: 02 May 2022 Last Revised: 29 Jun 2023

David Coyne, Itzik Fadlon and Tommaso Porzio

U.S. Department of the Treasury, Office of Tax Analysis (OTA), University of California, San Diego (UCSD) and Columbia University - Columbia Business School, Economics

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Abstract:

10.

Economic Development According to Chandler

NBER Working Paper No. w34483

Number of pages: 88 Posted: 18 Nov 2025

Niklas Engbom, Hannes Malmberg, Tommaso Porzio, Federico Rossi and Todd Schoellman

New York University (NYU) - New York University, University of Minnesota - Minneapolis, Columbia University - Columbia Business School, Economics, University of Warwick and Federal Reserve Banks - Federal Reserve Bank of Minneapolis

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Tommaso Porzio

Columbia University - Columbia Business School, Economics

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Scholarly Papers (10)

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Startups in Africa

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Achieving Scale Collectively

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The Human Side of Structural Transformation

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Economic Development According to Chandler

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