Americans’ expectations for what inflation will be one year from now remained stuck at a record high for the second month in a row in December, according to a survey from the New York Federal Reserve, which also showed households anticipating a historic boost in earnings. Consumers’ expectations for what inflation will be at the one-year horizon held steady in December at 6 percent, matching November’s record-high reading, according to the Jan. 10 survey. The three-year-ahead inflation outlook remained unchanged from November at 4 percent, down slightly from October’s record high reading of 4.2 percent. The New York Fed’s survey of consumer expectations, which is based on a rotating panel of 1,300 households, also showed that the expected growth in household income one year ahead rose to 3.4 percent in December. That, too, is a record high reading that some economists are likely to see as a warning sign of …