Olesia Verchenko looked over a selection of blackened avocados at a supermarket here recently. Their price has roughly doubled over the last year, notwithstanding the stickers on them advertising a 25 percent discount. “I don’t think anybody takes avocado anymore, so they are basically rotting on the shelves,” said Ms. Verchenko, an economist. While the rest of Europe tries desperately to shrug off low inflation, Ukraine has added rapidly rising prices to its long list of problems during its civil war with Russian-backed rebels. Official inflation figures showed that prices rose 61 percent in April compared with a year earlier. But many prices have doubled and tripled. Ms. Verchenko, a 37-year-old mother of two […]