Clinton vetoed many of these policies, but signed the Personal Responsibility and Work Opportunity Act into law. Clinton proposed a $30 billion economic stimulus package in his first year in office, but his proposal was blocked by Senate Republicans, and he would be unable to win the passage of any similar proposal for the remainder of his presidency. Clinton held office at a time when monetarism had supplanted Keynesianism as the dominant theory of economic growth among many in Washington. Clinton proposed a $30 billion economic stimulus package in his first year in office, but his proposal was blocked by Senate Republicans, and he would be unable to win the passage of any similar proposal for the remainder of his presidency.