Immigration is Complicated
The butt-end of it; when a “native” resident (of whatever ethnic background) loses their job to an immigrant worker who will do it for less money, seems simple. “Job theft” is an easy concept to understand and get cross about; there is a victim (the now unemployed “native” worker) and the perpetrator (either the interloping foreigner, or at your discretion the politicians who opened the “floodgates.”) But this isn’t the whole story, and you know it.
The Ideal Gas Analogy.
So imagine people are particles. You have a rarefied, cool gas on the left hand side – let’s call it a bottle with “UK” written on it – and connected by a valve (Heathrow, for example) you have the hot, dense gas on the right hand side (let’s call that one a bottle with “Jamaica” written on it for this example.) A lot of energy went into compressing the gas in the Jamaica bottle, and nature (aka the Laws of Thermodynamics) want to dissipate that energy again, thereby minimising the system’s free energy. When they’re stuck in the Jamaica bottle, the particles can’t change their free energy except to increase it (for example by forming a hot, dense region at one end,) which doesn’t happen because that isn’t the minimum free energy state (the system stays uniform throughout the bottle.)
When you open the valve (start accepting planes from Jamaica at Heathrow, and vice versa) particles from the bottle on the right (people from Jamaica) start to move into the bottle on the left (the UK.) They do this because they can reduce their free energy by doing so, even if they are increasing the free energy in the UK bottle as they go (microscopically the hot, fast Jamaican gas particles bump into the slow, cool UK ones, giving them a momentum boost and gradually increase the free energy of the UK particles.) Eventually, the two systems reach equilibrium; the two gasses are the same temperature and pressure, and are completely mixed in both bottles.
What people fail to consider when they descend into the “I hate immigrants” attitude (whether they get there by experiencing/hearing of “Job Theft,” or via old-fashioned Racism) is the driving force – the free energy calculation – which is what makes people want to come and live/work in the target country.
The Development Gap
Immigration (the pouring of the gas from one a hot, dense bottle to another cooler, rarefied one,) or rather the negative effects of it (the resulting changes in the state of the target bottle) are the symptoms of another problem; a natural equation minimising free energy. Global Inequality, the massive difference in quality of life between the developed and the developing worlds, is the disease; huge driving force that causes the massive demand for living space in the developed world.
In contrast to the EDL/BNP protester’s assertion from the first paragraph, “Job Theft” isn’t the symptom, with immigration the disease; rather non-equilibrium immigration (and all the negative effects like rising housing costs, lower wages, and so on) is the symptom of the global disease of wealth, quality of life, and development inequalities.
Of course, it’s even more complicated than that
People are, to be fair, nothing like gas particles. While they can be counted on to act in their own interests some of the time, they can also be counted on to confound, amaze and frustrate you (the researcher, political activist or other) too. Economics is way more complicated than physics as a result of this, and this is why social change takes decades rather than minutes.
Additionally, I would also disagree that the resultant mixture of peoples is that much of a “symptom” – the negative effects are because immigration the other way – from developed world to developing world – is much much smaller; people prefer to stay in the UK to compete for the more scarce jobs than move to Jamaica (in spite of the awesome weather) and take a quality of life hit (less in the way of mod cons.)
My message though is still valid – if you want to solve immigration, solve international development. Free movement of people works fine within the EU, where all countries are similarly developed (although some more than others,) and it will work fine worldwide when things are more equal.
Homework
Of course, “solve international development” is left as an exercise for the reader…