We study a two-sided market in which a platform mediates between sellers and buyers, and signs private contracts with sellers. We compare this market with (i) a one-sided market with public contracts, and (ii) a two-sided market with public contracts. We find that equilibrium royalties can be positive or negative in a one-sided market with public contracts, are negative in a twosided market wit...

Corona Virus Disease 2019 (COVID 19) which hit Indonesia made a variety of legal cases that many parties like the case regarding termination employment relations unilaterally, protection against workers, cancellation cooperation contracts, community accused spreading COVID 19 until patients who were unable to pay medical expenses at hospitality. To date, there have been no aid agencies provide ...

COVID-19 is a disease caused by novel coronavirus originated in Wuhan, China. The virus rapidly spread over more than 200 countries around the world and deaths of 690.000 people. To prevent rapid spreading this disease, information sharing related to findings about must be fast secure between countries. Since health data such as symptoms private patient records are confidential, requires privac...

documentary credit or letter of credit (lc) is one of the methods of payment in international commerce. the documentary credit is a binding commitment from the issuing bank to pay a sum of money to the beneficiary on certain conditions. the applicant needs to contract with an issuing bank to open a lc. the legal nature of such contract is a controversy issue and thus different opinions are brou...

Synthetic Environments (SE) are a powerful emerging concept, focused on the through-life use of Modelling & Simulation (M&S) to support weapon system capability requirements analysis, acquisition and operational use. Coherent, planned application of M&S has been shown to lead to significant opportunities for capability visualisation, solution trades and risk reduction, human factors evaluation ...

The adhesion and motility of tumor cells on basement membranes is a central consideration in tumor cell invasion and metastasis. Basement membrane type IV collagen directly promotes the adhesion and migration of various tumor cell types in vitro. Our previous studies demonstrated that tumor cells adhered and spread on surfaces coated with intact type IV collagen or either of the two major enzym...