Last week I discussed why bicameralism is not necessarily a status-quo preserving institution, at least in the sense that conventional wisdom suggests bicameral legislatures produce less legislation relative to analogously situated (however defined) unicameral legislatures.
Commentators often ignore that in “strong” bicameral systems, as exist in the U.S., “second” legislative chambers can initiate legislation itself as well as kill legislation approved by the other chamber. Depending on how much legislation each chamber initiates, and on cross-chamber kill rates, it’s entirely possible that a bicameral legislature will enact more legislation than a similarly-situated unicameral legislature.
To be sure, it is a bit of a bait-and-switch to purport to consider the impact of veto players on legislative production and then initially discuss an institution that can initiate legislation as well as stop legislation. So let’s now face the original question fairly: What about institutions that can only veto legislation without also having the power to initiate legislation? Think of judicial review.