LONDON, Oct 11 (Reuters) - Lack of growth is the biggest economic challenge facing developing economies, the World Bank's chief economist said on Monday.Economic growth was essential for poverty reduction, as well as creating government revenues to use for fiscal space, social safety nets and the provision of public goods, said Carmen Reinhart, the World Bank's chief economist."We had a challenge in many emerging markets and developing countries even before the pandemic, growth started to slow down around 2015," she said."With growth comes jobs, with growth and jobs comes recovery."The World Bank hopes to raise $100 billion in donations for the International Development Association fund for poorer countries to address "tragic reversals in development" caused by the COVID-19 pandemic, its president David Malpass said on Monday, adding that growth disparities between advanced economies and developing countries were worsening. (Reporting by Tom Arnold, Editing by William Maclean) Disclaimer: The views expressed in this article are those of the author and may not reflect those of Kitco Metals Inc. The author has made every effort to ensure accuracy of information provided; however, neither Kitco Metals Inc. nor the author can guarantee such accuracy. This article is strictly for informational purposes only. It is not a solicitation to make any exchange in commodities, securities or other financial instruments. Kitco Metals Inc. and the author of this article do not accept culpability for losses and/ or damages arising from the use of this publication.