Canadian workers may be heading toward a slower rise in income and living standards unless public policy steps in to help, as an analysis of Canada’s business investment per worker since the 1990s shows signs of a “troubling outlook,” suggests a report by the C.D. Howe Institute. “Declining Vital Signs: Canada’s Investment Crisis” examines recent figures on Canada’s stock of capital per worker and new investment and makes comparisons with the situations in the United States and other Organisation for Economic Co-operation and Development (OECD) countries. “Investment matters for individual workers and job-seekers,” stated the report authored by C.D. Howe CEO William Robson and research assistant Miles Wu, released Sept. 16.  “Every time a business decides to expand a distribution centre, buy an excavator or a computer, or upgrade its contact-management database … their ability to compete and pay higher wages improves.” But this investment is lagging in Canada, the report …