We hypothesize that owing to limited investor attention and skepticism of complexity, innovative diversity (ID) of a firm's patent portfolio will be undervalued. ID strongly predicts stock returns after controlling for firm characteristics and risk. High ID portfolios provide Carhart alphas of 56-81 basis points per month and stronger and less volatile operating performance. The Diversified Min...

present paper is a translation of the travelogue of sefer muratowicz, the armenian-origin polish merchant and traveler who made a journey to persia in 1602. apart from translation, we would provide, in present article, some codicological information and a content review.  because one of the travelogue versions has been corrected by tadeusz juda krusiński, his footnotes are cited as well. in pre...

Assessing the role of Gold and US dollar as a safe haven risk hedge Iran stock market during Covid-19 pandemic earlier

and Applied Analysis 3 Next we present auxiliary statements which play important roles in proving the main results. Define F : 0,∞ → R by F x Φ x/q−1/q −Φ 1−1/x and h : Φ −∞ q ,∞ → R by h x x 1 − q1−α [ 1 − ( 1 ( q − 1 ) Φ−1 x )1−α] . 2.1 For y : q0 → R \ {0} define the operator L by L [ y ] t Φ ( y ( q2t ) qy ( qt ) − 1 q ) −Φ ( 1 − y t

Since the beginning of 2022, relations between Russian Federation and Islamic Republic Iran have intensified, directly affecting all areas cooperation two countries. In addition to general positive trend starting in 2012, Ukrainian crisis subsequent sanctions imposed on by European Union, United States others, which significantly limited political circle Russia's engagement, become main drivers...