How many papers did the authors of 'Assortative matching with network spillovers' publish in 2020?
Count the papers published by the authors of 'Assortative matching with network spillovers' in 2020.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/jet/Bjerre-Nielsen20> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2020' }
<https://dblp.org/rec/journals/jet/Bjerre-Nielsen20>