<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo juu, Madhara ya kiuchumi yanatabiri kwamba baadhi ya vichocheo ni muhimu zaidi kuliko nyingine, na data inathibitisha kwamba mauaji ya kikatili huzuia mauaji, lakini hukumu ya kifo huzuia mauaji zaidi.  <response>: Second, economic theory predicts that some incentives matter more than others, and the data confirm the Executions prevent murders, but convictions prevent even more murders. 