Roma Poberejsky

Roma Poberejsky

PhD Economist

Associate at Cornerstone Research

Biography

I am an economist with a finance and industrial organization background. My interests range from the effects of indirect firm connections on competition and market outcomes, to how innovation and production inefficiencies in the energy sector affect electricity markets, to online marketplaces.

Interests

  • Corporate Finance
  • Energy and Environmental Economics
  • Industrial Organization
  • Innovation

Education

  • Ph.D., Finance, 2024

    Northwestern University

  • M.S., Finance, 2024

    Northwestern University

  • M.A., Economics, 2015

    Hebrew University of Jerusalem

  • B.A., Economics and Business Administration, 2013

    Hebrew University of Jerusalem

Research

Teaching

Northwestern University

Teaching Assistant

FINC 431: Finance II (Winter 2020 - Spring 2022)

FINC 450: Capital Markets (Winter 2020 - Spring 2022)


Israel Competition Authority

Instructor

Quantitative Analysis, Modeling, and Inference (2015-2018)


Hebrew University

Lecturer

04705: Introduction to Economics (Fall 2014 - Spring 2015)

Teaching Assistant

71263: The Israeli Economy (Fall 2012)

57634: The Chinese Economy (Fall 2014)

57515: Urban Economics (Fall 2013 - Fall 2014)

57639: Applied Economics (Fall 2013 - Spring 2015)

57862: Graduate Labor Economics (Fall 2013)

Experience

 
 
 
 
 

Associate

Cornerstone Research

Jul 2024 – Present Chicago, IL
 
 
 
 
 

Senior Economist

Israel Competition Authority

Sep 2015 – Nov 2018 Jerusalem, Israel

Conducted Large-scale industry research, with an emphasis on spatial markets. I utilized rich sets of administrative micro-data to study markets, model competitive behavior, evaluate mergers and remedies, and inform antitrust policymaking. My research mainly revolved around quarry aggregates, spatial competition in retail diesel and gasoline, and vertical contracts in the grocery sector.

Advised antitrust case teams on data analysis, economic theory, research design, and empirical strategy in the evaluation of proposed mergers and restrictive arrangements.

 
 
 
 
 

Analyst Team Lead

Bank of Israel

Jun 2012 – Aug 2015 Jerusalem, Israel

Coordinated a team of seven analysts in the Research Department, tasked with providing research support to the Bank’s economists.

Gathered and analyzed data, conducted literature reviews, and prepared presentations and reports for the Bank’s governor, monetary committee, and senior management.

Studied Israeli corporate debt issuance, ratings, collateral, restructuring, pricing, and default, using firm time series and bond-level micro-data.

 
 
 
 
 

Master Sergeant

Israeli Air Force

Mar 2007 – Mar 2010
  • SIGINT Traffic Analyst
  • Combat Controller

Contact