Greece's plan for a 6-day workweek to boost productivity may not work

Vasilis Tsikkinis photos

• Greece is shifting to a six-day workweek in some industries to boost productivity.
• The new 48-hour workweek counters global trends toward shorter ones for better productivity.
• Critics argue longer hours may lead to burnout, despite higher pay for additional workdays.

So long, siga siga.

The Greek phrase meaning "slowly, slowly" refers...