Health spending has risen rapidly in Japan. We find two-thirds of the spending increase over 1990–2011 resulted from ageing, and the rest from excess cost growth. The spending level will rise further: ageing alone will raise it by 3½ percentage points of GDP over 2010–30, and excess cost...

Health spending has risen rapidly in Japan. We find two-thirds of the spending increase over 1990–2011 resulted from ageing, and the rest from excess cost growth. The spending level will rise further: ageing alone will raise it by 31⁄2 percentage points of GDP over 2010–30, and excess cost...

Health care systems are under reform in many countries. This typically involves a shift towards more competition. But still, markets are highly regulated. This study analyzes competition and regulatory measures in four important fields using the modern tools of microeconomic theory and...