First Blank: We use the definite article "the" because the sentence is referring to a specific, defined year (2023) characterized by a particular event (consumers staving off a recession). It isn't just "any" year; it is the specific year that this happened.
Second Blank: The word "predict" is the most logical choice because economists are looking toward 2024 (the future). "Thought" and "wanted" are past tense and don't fit the future outlook, while "predict" aligns with the professional role of an economist.
Idiom Note: The phrase "tighten their belts" means to spend less money, which contrasts perfectly with the "surge in spending" mentioned in the first part of the sentence.