Zambia, which defaulted on payments to bondholders in November, is doubling down on debt with a high-stakes bet that nationalizing one of its biggest copper mines will help rescue its flailing economy, The Wall Street Journal reported. Once seen as among the most investment-friendly countries in the region, the landlocked nation in south central Africa is the most extreme example of a wave of populist governments in mining-dependent countries that are struggling to pay the bills after borrowing for infrastructure in recent years. Zambia was the first country on the continent to register a pandemic-era default on a sovereign debt payment late last year when it missed a $42.5 million interest payment on some of its $3 billion of dollar-denominated bonds. The country has some $12 billion in external debt, including $3 billion in international bonds and large loans from Chinese state-owned lenders. The government hasn’t said exactly how much it owes to Chinese lenders as a whole. Johns Hopkins University’s China-Africa Research Initiative estimates that Zambia has signed some $9.9 billion in loans from China, although not all of that money has been drawn. Read more.