Europe's economic environment has altered considerably over the last thirty years, and the economies of European countries have progressively opened up to the global economy. As a result, the competitiveness of the European economies is dependent not just on production costs, but also on the performance of pension and social security systems guaranteeing security for the future.
OPTIONS: a. yes b. no
Question: Can we infer the following?
National pension systems currently adopted in Europe are in difficulties.
b.