But in cutting aid to El Salvador, Trump is punishing a government that has overseen a dramatic reduction in migration.
"A reduction in migration levels of 50% would require an increase in the tax rate on labour income of about 2% to preserve budget balance," says Portes.
Add in the mix the fear that migrants are ruining our cities with the prime minister calling for a reduction in migration.
Similarly, CBX6 overexpression induced a dramatic reduction in migration and invasion of MCF-7 cells in a Transwell assay (Fig. 5B,C).
There is no evidence to suggest that the Syrian conflict has changed in recent weeks to explain any reduction in migration to Greece.
The next 30 years saw the end of the gold standard, the collapse of global trade, a marked reduction in migration flows, the rise of protectionism and the biggest depression the world has ever seen.
He says the option of voting to leave but retaining free movement for EU citizens – to qualify for access to the single market – would mean only a small reduction in migration to Britain.
To determine whether the reduction in invasion was due to reduced chemotaxis, we substituted collagen for Matrigel in the transwell assay and similarly observed a 44 54% reduction in migration, using EGF as the chemoattractant.
Lampreys ascending the pool and weir structure had the longest predicted passage time at 5.2 h (95% CI 3.96 6.46) while individuals in the tube were the fastest, with a 20-fold reduction in migration time at 0.26 h (95% CI 0.21 0.30).
A separate report from Oxford University's Migration Observatory, also published on Wednesday, suggests curbs on in-work benefits for EU citizens negotiated by David Cameron are unlikely to result in a large reduction in migration to the UK.
These patterns are consistent with the theoretical implication that reduction in migration costs associated with the EEA mainly stimulated migration from the lower end of the education distribution.
