Factors affecting household carbohydrate food consumption in Central Java: Before and during the COVID-19 pandemic

Abstract The COVID-19 pandemic has resulted in a change food demand. In Central Java, during the (2021), proportion of expenditure on grain group was higher than 2020; meanwhile, ready-to-eat decreased. This study aims to analyze pattern consumption carbohydrate sources, influencing factors, and elasticity households Java before pandemic. uses data from National Socio-Economic Survey (Susenas) for 12 districts/cities consisting 9,812 2019 10,636 samples 2021. Data analysis used Linear Approximation Almost Ideal Demand System (LA-AIDS) method. Results show that caused changes household carbohydrate-source Java. rice, wheat flour, shelled corn, cassava, potatoes increased. On other hand, wet instant noodles, white rice price sources carbohydrates number members positively affect carbohydrates. At same time, income negative effect. There are differences effect location residence value own-price shows pandemic, staple good whose inelastic. Before wet-skinned potatoes, cassava pre-pandemic period Giffen because positive, negative. Meanwhile, noodles were Veblen goods their positive. Cross most relationships between substitutes, while complementary.