Oslo: a Big Mac priced at Swiss levels in a petro-currency
Oslo runs near the very top of the global Big Mac ranking — typically $7.00-$7.80 in USD terms, comparable to the Swiss cities. Norwegian wages, rent, and beef-input costs are at developed-market levels, and Oslo specifically carries a capital-city premium. The krone-denominated price has been stable; the USD-equivalent fluctuates with the petro-currency cycle.
For Big Mac Index analysts, Oslo is the cleanest single-city demonstration of how a high USD price can coexist with stable local-currency pricing. The Oslo Big Mac is "expensive" in dollar terms because Norwegian real wages are high and the krone is strong when oil is strong. When oil prices fall and the krone weakens, Oslo briefly looks "cheap" without anything actually changing locally. The signal is currency, not Norwegian inflation.