Cryptocurrency Costs Unlikely to Crowd Out Fiat Currencies in Korea   South Korea’s central bank has published a new working paper analyzing a dual-currency regime by pitting cryptocurrencies against traditional fiat currencies. Penned by economists and academics from the Bank of Korea and Seoul’s Hongik University, the working paper, titled ‘Crowding out in a Dual Currency Regime? Digital versus Fiat Currency’, was published earlier this week. “We examine the impact of a privately issued digital currency and fiat currency using…