Two important economic activities in the Nordic nations are?

1. Shipping: The Nordic nations have a long history of shipping, and the industry remains a vital part of their economies. The region's location on the Baltic Sea and the North Atlantic Ocean gives it access to major shipping routes, and its ports are hubs for international trade.

2. Forestry: The Nordic countries are home to vast forests, and forestry is a major industry. The region produces a variety of forest products, including paper, pulp, and timber. Forestry is also a source of renewable energy, as wood can be used to generate heat and electricity.