Arnold, Felix; Freier, Ronny - In: Public Choice 162 (2015) 1, pp. 43-56
Signature requirements are often used as hurdles to prevent overuse of direct democratic instruments such as citizen … initiatives. We evaluate the causal effect of lowering signature requirements on the number of observed citizen initiative … petitions. Based on municipal-level data for Germany, we make use of changes in signature requirements that occur at specific …