Prices determined in the marketplace are absolutely essential to a functioning economic system. This is no less true if today's property was redistributed unjustly in the past. Market prices today are the path to recovery.
What needs to be done in such a crisis is not to attempt to steer the market to ensure it provides what is needed, but to let it free to do what it always does: match the goals of entrepreneurial producers with the needs of the populace.
Government statistics on worker productivity combine many errors of aggregation such as "average prices" and the total purchasing power of money. So it's unlikely that productivity numbers tell us much that's useful.
Shortcomings in the government's handling of monetary matters, of credit expansion, and the disastrous consequences of lowering the rate of interest gave birth to the ideas which finally generated the slogan "stabilization."