Because it is impossible to halt the decline in the birth rate and the aging of the population in the short run, a prerequisite for strengthening the growth potential of the economy is to secure the labor force and raise the value added per worker (value-added productivity).
One of the challenges that we face, however, is how to increase individual safety without losing the efficiencies that we have gained from concentrating staff and expertise at critical geographic locations. The effect of regional diversification on business also presents challenges. Firms will both incur costs and reap benefits with diversification, but it is often difficult to justify adding costs to address contingencies.