The latter in effect allows the government to appeal the opposition of parliament to the electorate. However, in many jurisdictions a head of state may refuse a parliamentary dissolution, requiring the resignation of the prime minister and his or her government. In most modern parliamentary systems, the prime minister is the person who decides when to request a parliamentary dissolution.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): Who can the prime minister damand a resignation from?
unanswerable