Really interesting insights.
"The challenge then is how to spur demand for more migrants, and investigating policies that attempt to do this appears to be an important area for research, especially given the enormous development gains possible through international migration."
Specifically in relation to further research, are you talking about demand from employers in receiving countries? Or the demand from developing country citizens to emigrate? Or both?
Big fan of your work - the empirical work with John Gibson about development impacts in the Pacific from seasonal workers in New Zealand in particular is fascinating.