His recent co-authors include Nick Powdthavee, author of The Happiness Equation, and the Warwick economists Eugenio Proto and Daniel Sgroi.
hɪz ɹˈiːsənt kˈoʊˈɔːθɚz ɪŋklˈuːd nˈɪk pˈaʊdθɐvˌiː, ˈɔːθɚɹ ʌvðə hˈæpɪnəs ᵻkwˈeɪʒən, ænd ðə wˈɔːɹɪk ɪkˈɑːnəmˌɪsts juːdʒˈiːnɪˌoʊ pɹˈoʊɾoʊ ænd dˈænjəl ˈɛsɡɹˈɔɪ.