Healthcare cost research involves studying the various factors that contribute to the expenses associated with healthcare services, treatments, and medications. This can include examining the cost of medical procedures, hospital stays, healthcare technology, pharmaceuticals, and healthcare insurance. Researchers in this area may also explore ways to reduce healthcare costs, improve efficiency in healthcare delivery, and increase access to affordable healthcare for all individuals. This field is important for informing healthcare policy decisions, identifying ways to make healthcare more affordable and accessible, and improving the overall effectiveness of healthcare systems.