Olle Hammar

Names

Identifer

Contact

Affiliations

• Linnéuniversitet / Ekonomihögskolan / Institutionen för Nationalekonomi och Statistik (weight: 60%)
  • EDIRC entry
  • location:
• Stockholm School of Economics (weight: 40%)
  • EDIRC entry
  • location:

Research profile

author of:

• How has the war in Ukraine affected Russian sentiments? (repec:arx:papers:2410.00663)
  by Mikael Elinder & Oscar Erixson & Olle Hammar
• Global earnings inequality, 1970-2015 (repec:cpr:ceprdp:12019)
  by Waldenstrom, Daniel & Hammar, Olle
• The Effects of the Invasion of Ukraine on Russian Sentiments (repec:crm:wpaper:26044)
  by Mikael Elinder & Oscar Erixson & Olle Hammar
• “Try to Balance the Baseline”: A comment on “Parent–teacher meetings and student outcomes: Evidence from a developing country” by Islam (2019) (repec:eee:eecrev:v:175:y:2025:i:c:s0014292125000716)
  by Bonander, Carl & Hammar, Olle & Jakobsson, Niklas & Bensch, Gunther & Holzmeister, Felix & Brodeur, Abel
• Reproducibility and robustness of economics and political science research (repec:ehl:lserod:137919)
  by Brodeur, Abel & Mikola, Derek & Cook, Nikolai & Fiala, Lenka & Brailey, Thomas & Briggs, Ryan & de Gendre, Alexandra & Dupraz, Yannick & Gabani, Jacopo & Gauriot, Romain & Haddad, Joanne & Lima, Gonca
• Global Earnings Inequality, 1970–2015 (repec:hhs:iuiwop:1166)
  by Hammar, Olle & Waldenström, Daniel
• Where Would Ukrainian Refugees Go if They Could Go Anywhere? (repec:hhs:iuiwop:1440)
  by Elinder, Mikael & Erixson, Oscar & Hammar, Olle
• How Has the War in Ukraine Affected Russian Sentiments? (repec:hhs:iuiwop:1510)
  by Elinder, Mikael & Erixson, Oscar & Hammar, Olle
• The Impact of Social Beliefs on Microfinance Performance (repec:hhs:luwick:2014_005)
  by Berggren , Olle & Burzynska, Katarzyna
• Global earnings inequality, 1970–2015 (repec:hhs:uunewp:2017_007)
  by Hammar, Olle & Waldenström, Daniel
• How Has the War in Ukraine Affected Russian Sentiments? (RePEc:hhs:vxesta:2024_014)
  by Elinder, Mikael & Erixson, Oscar & Hammar, Olle
• Global Earnings Inequality, 1970–2015 (repec:iza:izadps:dp10762)
  by Hammar, Olle & Waldenström, Daniel
• How Has the War in Ukraine Affected Russian Sentiments? (repec:iza:izadps:dp17457)
  by Elinder, Mikael & Erixson, Oscar & Hammar, Olle
• “Try to Balance the Baseline”: A Comment on “Parent-Teacher Meetings and Student Outcomes: Evidence from a Developing Country” by Islam (2019) (repec:iza:izadps:dp17781)
  by Bonander, Carl & Hammar, Olle & Jakobsson, Niklas & Bensch, Gunther & Holzmeister, Felix & Brodeur, Abel
• AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science (repec:nas:journl:v:123:y:2026:p:e2524747123)
  by Abel Brodeur & David Valenta & Alexandru Marcoci & Juan P. Aparicio & Derek Mikola & Bruno Barbarioli & Rohan Alexander & Lachlan Deer & Tom Stafford & Lars Vilhuber & Gunther Bensch & Fabio Motoki &
• Reproducibility and robustness of economics and political science research (repec:nat:nature:v:652:y:2026:i:8108:d:10.1038_s41586-026-10251-x)
  by Abel Brodeur & Derek Mikola & Nikolai Cook & Lenka Fiala & Thomas Brailey & Ryan Briggs & Alexandra de Gendre & Yannick Dupraz & Jacopo Gabani & Romain Gauriot & Joanne Haddad & Goncalo Lima & Jörg An
• Publisher Correction: Reproducibility and robustness of economics and political science research (repec:nat:nature:v:653:y:2026:i:8114:d:10.1038_s41586-026-10503-w)
  by Abel Brodeur & Derek Mikola & Nikolai Cook & Lenka Fiala & Thomas Brailey & Ryan Briggs & Alexandra de Gendre & Yannick Dupraz & Jacopo Gabani & Romain Gauriot & Joanne Haddad & Goncalo Lima & Jörg An
• Global Earnings Inequality, 1970–2018 (repec:oup:econjl:v:130:y:2020:i:632:p:2526-2545.)
  by Olle Hammar & Daniel Waldenström
• The Impact of Social Beliefs on Microfinance Performance (repec:wly:jintdv:v:27:y:2015:i:7:p:1074-1097)
  by Katarzyna Burzynska & Olle Berggren
• Mass Reproducibility and Replicability: A New Hope (repec:zbw:i4rdps:107)
  by Brodeur, Abel & Mikola, Derek & Cook, Nikolai & Brailey, Thomas & Briggs, Ryan & de Gendre, Alexandra & Dupraz, Yannick & Fiala, Lenka & Gabani, Jacopo & Gauriot, Romain & Haddad, Joanne & Federice, A
• Replication Report: A Comment on Gethin, Martínez- Toledano & Piketty (2022) (repec:zbw:i4rdps:19)
  by Gong, Da & Hammar, Olle
• Comparing Human-Only, AI-Assisted, and AI-Led Teams on Assessing Research Reproducibility in Quantitative Social Science (repec:zbw:i4rdps:195)
  by Brodeur, Abel & Valenta, David & Marcoci, Alexandru & Aparicio, Juan P. & Mikola, Derek & Barbarioli, Bruno & Alexander, Rohan & Deer, Lachlan & Stafford, Tom & Vilhuber, Lars & Bensch, Gunther & Gold
• "Try to Balance the Baseline": A Comment on "Parent-Teacher Meetings and Student Outcomes: Evidence from a Developing Country" by Islam (2019) (repec:zbw:i4rdps:214)
  by Bonander, Carl & Hammar, Olle & Jakobsson, Niklas & Bensch, Gunther & Holzmeister, Felix & Brodeur, Abel
• A Comment on "Income and Inequality in the Aztec Empire on the Eve of the Spanish Conquest" (repec:zbw:i4rdps:221)
  by Hammar, Olle
• A Comment on "Your Place in the World: Relative Income and Global Inequality" by Fehr, Mollerstrom and Perez-Truglia (2022) (repec:zbw:i4rdps:228)
  by Dujeancourt, Erwan & Foliano, Francesca & Hammar, Olle
• A Comment on "Gender Bias in Parental Attitude: An Experimental Approach" by Begum, Grossman and Islam (2018) (repec:zbw:i4rdps:267)
  by Hammar, Olle & Bonander, Carl & Bensch, Gunther & Jakobsson, Niklas & Brodeur, Abel
• Computational Reproducibility and Robustness of Empirical Economics and Political Science Research Between 2022 and 2023 (repec:zbw:i4rdps:287)
  by Brodeur, Abel & Mikola, Derek & Cook, Nikolai & Fiala, Lenka & Brailey, Thomas & Briggs, Ryan & de Gendre, Alexandra & Dupraz, Yannick & Gabani, Jacopo & Gauriot, Romain & Haddad, Joanne & Duncan, Jam