In parliamentary systems it is common that both the government (executive) and the parliament have legislative initiative, but it also can be restricted to the government and the lower house of parliament, or even to the government alone.
In congressional systems legislative initiative only rests with the congress, such as in the United States. This, however, does not preclude the executive from suggesting the introduction of certain laws to their backers in the congress.
Only 10% of adopted laws are proposed by Members of Parliament. This is mainly because the government get several means to limit the parliament's power :
The parliament's legislative initiative has at the same time good and bad points. It is mostly criticized because some lobbies could impel the parliament to satisfy them before other citizens. But, on the other hand, legislative initiative is the best way for the parliament to defend against possible government's encroachments.
GMO Food-Labels Measure to Be Filed; Legislative Initiative; Backer Says 340,000 Signatures to Be Submitted Today
Jan 03, 2013; Byline: Melissa Allison; Seattle Times business reporter A legislative initiative that would require food companies to label...
Legislators Handed Out $3 Million Last Year ; Sturla Tops Lists With $1.4 Million In 'Legislative Initiative Grants" For Local Nonprofits. One Legislator Gave Nothing.
Sep 14, 2008; email@example.com People may not call them WAMs anymore, but the bottom line is that local legislators gave out more than $3...