AMMAN (Reuters) - Jordanian Prime Minister Omar al-Razzaz announced a cabinet reshuffle on Thursday as the government looks to push through reforms intended to revive stagnant economic growth and cut public expenditure.

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Razzaz, a former World Bank economist, was appointed by King Abdullah in June to replace Hani al-Mulki, who resigned to defuse a crisis that saw some of the largest protests in years over planned IMF-driven austerity measures, including tax hikes.

In an apparent bid to calm widespread discontent over rising economic hardship Razzaz - who had said he would re-evaluate his team after 100 days in office - reduced the 29-member cabinet to 27.

But he also kept key ministries - notably the interior, finance and foreign portfolios - unchanged, and has warned Jordan would pay a heavy price if a tax reform bill failed to pass into law this year.

Razzaz had angered unions and civic bodies when he introduced the IMF-inspired bill in (month), making only cosmetic changes to one that brought down Mulki.

Seen as a better communicator than his predecessor, Razzaz had promised to restore public trust in a country where many blame successive governments for failing to deliver on pledges of reviving growth that is stuck at around 2 percent, cutting waste and curbing corruption.

But he installed many of the old-guard conservatives and tribal figures in his cabinet who held sway in previous administrations, and critics - who have so far stopped short of calling for new street protests - say he has taken no clear steps to hold anyone accountable for graft.

Jordan’s bloated bureaucracy is responsible for some of the world’s highest government expenditure as a percentage of GDP.

Under an IMF austerity plan it must rein in spending to cut spiraling debt standing a $37 billion, equivalent to 95 percent of gross domestic product.

Razzaz said he wanted to push through the tax bill this year to retain IMF support and avoid higher servicing costs on over 1 billion dinars ($1.4 billion) of foreign debt due in 2019.

Any rejection of the bill that parliament will begin debating next week raised the prospect of ratings downgrades, Razzaz said in an interview with state television last month.

“We will pay a heavy price if we enter next year without a tax bill,” Razzaz said, adding the reform would bring in an extra 300 million dinars in revenue.

Jordan’s economy has also been hit by regional conflict that has weighed on investor sentiment.