But, if you are single, it would be very difficult to max out a 401k and
receive SS benefits and still substantially lower your income enough to make Roth options universally «
suboptimal.»
«Our findings show that China's underperformance is also driven by
suboptimal turbine model selection (31 % of the gap), wind farm siting (23 % of the gap), and turbine hub heights (6 % of the gap)-- factors that have
received less attention in the literature and, crucially, are locked - in for the lifetime of wind farms,» explain the authors, who were supported by Harvard University, US, and are now at the University of Minnesota, US, Florida State University, US, and Cambridge University, UK.