For a weekend Japan mourned the late Emperor Hirohito. But by Monday morning it was business as usual. Proving that few events, not even the death of an imperial leader who reigned for more than six decades, can turn off their entrepreneurial juices for long, eager businessmen besieged a Justice Ministry office to stake claim to use of the word Heisei (achieving universal peace), the name chosen to designate Emperor Akihito's reign. On Monday the Tokyo Stock Exchange's Nikkei average climbed to 31,006.51, an all-time high.
Akihito too took up his imperial duties. Dressed in a morning coat, he gave an...