European Commission (2016), “Impact Assessment Accompanying the Document: Proposal for a Directive of the European Parliament and of the Council amending Directive 2012/27/EU on Energy Efficiency,” Staff Working Document No. 405. European Commission (2018), Action Plan: Financing Sustainable Growth.
For example, Antulio Bomfim has demonstrated that the shape of the term structure of Treasury yields can be effectively described by a two-factor model, in which the first factor corresponds to the current setting of the funds rate and the second factor closely approximates medium-term monetary policy expectations (Bomfim, 2003).