{"entity":{"iso2":"IS","iso3":"ISL","name":"Iceland","slug":"iceland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"weighted-carbon-price-ets","source":"Dolphin and Merkle (2024) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/weighted-carbon-price-ets","title":"Emissions-weighted carbon price in emissions trading systems","unit":"constant 2021 US$ per tonne of CO\u2082 equivalents"},"observations":[{"date":"1989-01-01","value":0.0},{"date":"1990-01-01","value":0.0},{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":0.0},{"date":"1993-01-01","value":0.0},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":0.0},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":0.0},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":0.0},{"date":"2000-01-01","value":0.0},{"date":"2001-01-01","value":0.0},{"date":"2002-01-01","value":0.0},{"date":"2003-01-01","value":0.0},{"date":"2004-01-01","value":0.0},{"date":"2005-01-01","value":0.0},{"date":"2006-01-01","value":0.0},{"date":"2007-01-01","value":0.0},{"date":"2008-01-01","value":6.0966},{"date":"2009-01-01","value":3.48069},{"date":"2010-01-01","value":3.55977},{"date":"2011-01-01","value":3.08666},{"date":"2012-01-01","value":1.81692},{"date":"2013-01-01","value":1.01278},{"date":"2014-01-01","value":1.38676},{"date":"2015-01-01","value":1.5442},{"date":"2016-01-01","value":0.376342},{"date":"2017-01-01","value":0.366458},{"date":"2018-01-01","value":0.810499},{"date":"2019-01-01","value":1.12718},{"date":"2020-01-01","value":0.740147},{"date":"2021-01-01","value":1.85629},{"date":"2022-01-01","value":2.53235},{"date":"2023-01-01","value":2.48105},{"date":"2024-01-01","value":2.40063},{"date":"2025-01-01","value":2.67772}],"summary":{"latest_period":"2025-01-01","latest_value":2.67772,"max":6.0966,"mean":1.00954,"min":0.0,"of":200,"rank":35,"trend":"volatile"}}