Though major multinationals are concentrated in big cities, the Swiss economy is as decentralized as its political system. Traveling southwest from Zurich to Geneva recently, I was struck by how many iconic Swiss exports also originate in its provinces — Swiss Army knives from Schwyz, watches from Bern, St. Bernard puppies from a mountain pass in Valais, cheese and chocolates from Fribourg. Small companies anchor the economy, accounting for two of every three jobs. Only one in seven Swiss work for the government, about half the Scandinavian average.

No other nation’s currency has been rising faster against its trading partners, and normally a rising franc should erode Swiss exports by making them more expensive. Instead, while most rich countries (including Scandinavia’s) saw their share of global exports fall over the past decade, Switzerland’s continued to rise. Such is the reputation of its engineers and chocolatiers that customers readily pay more for Swiss goods.

The premium the world is willing to pay for Swiss goods and services helps deter capital flight and stabilize the economy. Switzerland has not been hit by a domestic financial crisis since the 1970s; the Scandinavian countries were wracked by crises in the 1990s and suffered sharper downturns than Switzerland did following the global crisis of 2008.

If there is any fault line, it is that in trying to slow the rise of the franc, Switzerland cut interest rates to record lows ahead of its European peers, triggering a lending boom that has driven private corporate and household debt up to 250 percent of G.D.P., a risky height. No paradise is perfect.

For all its local charms, Switzerland is worldly in the extreme. The Swiss are a polyglot mix of German, French and Italian speakers, many intimidatingly fluent in multiple languages. The foreign-born population has been increasing for more than a century and accounts for a quarter of the whole, 40 percent non-European Union.

True, the rise of anti-immigrant parties across Europe has an offshoot in Switzerland. The country has always been choosy, accepting new arrivals based on their professional résumé more than family ties or humanitarian need. But Australia and Canada also filter immigrants to fill jobs and are widely studied models of how rich economies can survive the aging of their domestic work forces.

Switzerland has been welcoming more immigrants than any Scandinavian country since the 1950s. It is on track to accept more than 250,000 immigrants between 2015 and 2020, expanding its population by 3 percent. That immigration rate is nearly double the Scandinavian average, and one of the highest among large, developed countries. Immigrants are also significantly more likely to hold jobs in Switzerland, in part because most are required to land one before they arrive.