I'm just quoting what they say
http://www.venezuelanalysis.com/news/4881---------------------------------
"Despite slowing growth, unmet consumer demand combined with an over-valued currency – the Bolivar has been fixed at 2.15 to the US dollar since 2005 – has meant that inflationary pressures remain high.
Accumulated inflation from January to September was 18.5 % and the Central Bank expects it to rise above 26 percent by December. However, the budget predicts that inflation for 2010 will be between 20-22%.
Although the Bolivar is trading at more than double the official rate on the parallel black market, the minister ruled out a devaluation of the currency.
Since Venezuela is heavily reliant on imports, the country’s foreign exchange rate is intimately linked to inflation. In order to keep the Bolivar cost of goods bought abroad low, importers’ demand for dollars at the official exchange rate is high."
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This issue is like a fish bone stuck in the government's throat. They have failed to correct for the overvalued currency, and keep putting fingers in the dike, but it's ready to burst.
No country in the world, EVER, has survived unscathed a period of high currency overvaluation - the overvaluation sets the conditions for an economic crisis, it destroys exports, unbalances trade flows, and causes a bubble... and this is what's happening in Venezuela right now.
Did you check the item about "Venezuela is heavily reliant on imports"? This happens because Venezuelan industry is priced out of the market by the overvalued currency. Can't even compete growing simple foodstuffs with Colombia, never mind compete in anything else.
If you are interested in learning more about this problem, read about the crash of the currency in Argentina driven by the excesses of the austral years. Argentina has destroyed its economy over the years, using cycles of overvalued currency to poison its industrial and agricultural capacity. Nowadays, after so many years of ill-thought populism, it's a shade of its former self. By next year, they may even be importing meat.